Drugs Similar to DICLOFENAC SODIUM

Diclofenac sodium 2% topical solution, contains diclofenac sodium, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug, and is available as a clear, colorless to faintly pink or orange solution for topical application. The chemical name is 2[(2,6-dichlorophenyl)amino]-benzeneacetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 , and it has the following chemical structure. Each 1 gram of solution contains 20 mg of diclofenac sodium USP. The inactive ingredients: dimethyl sulfoxide (DMSO, 45.5% w/w), ethanol 96%, hydroxypropyl cellulose, propylene glycol and purified water. Chemical Structure

Diclofenac sodium topical gel, 3%, intended for dermatologic use, contains the active ingredient, diclofenac sodium, in a clear, transparent, colorless to slightly yellow or orange gel base. Diclofenac sodium is a white or slightly yellowish hygroscopic crystalline powder. It is freely soluble in methanol, soluble in ethanol, sparingly soluble in water, slightly soluble in acetone, and partially insoluble in ether. The chemical name for diclofenac sodium is: Sodium [ o- (2,6-dichloranilino) phenyl] acetate Diclofenac sodium has a molecular weight of 318.13. The CAS number is CAS-15307-79-6. The structural formula is represented below: Diclofenac sodium topical gel, 3% also contains benzyl alcohol, sodium hyaluronate, polyethylene glycol monomethyl ether, and purified water. 1 g of diclofenac sodium topical gel, 3% contains 30 mg of the active substance, diclofenac sodium. Image

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Diclofenac sodium topical gel, 3%, intended for dermatologic use, contains the active ingredient, diclofenac sodium, in a clear, transparent, colorless to slightly yellow gel base. Diclofenac sodium is a white to slightly yellow crystalline powder. It is freely soluble in methanol, soluble in ethanol, sparingly soluble in water, slightly soluble in acetone, and partially insoluble in ether. The chemical name for diclofenac sodium is: Sodium [ o -(2,6-dichloranilino) phenyl] acetate Diclofenac sodium has a molecular weight of 318.13. The CAS number is CAS-15307-79-6. The structural formula is represented below: Diclofenac sodium topical gel also contains benzyl alcohol, hyaluronate sodium, polyethylene glycol monomethyl ether, and purified water. 1 g of diclofenac sodium topical gel contains 30 mg of the active substance, diclofenac sodium.

Diclofenac sodium delayed-release tablets are a benzene-acetic acid derivative. Diclofenac sodium delayed-release tablets are available as delayed-release tablets of 75 mg for oral administration. The chemical name is 2-[(2,6-dichlorophenyl)amino] benzeneacetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 , and it has the following structural formula The inactive ingredients in Diclofenac sodium delayed-release tablets include: lactose (monohydrate), microcrystalline cellulose, croscarmellose sodium, povidone, talc, magnesium stearate, methacrylic acid copolymer, polyethylene glycol, opadry brown (Titanium dioxide, hypromellose, polyethylene glycol, iron oxide red, iron oxide yellow) and purified water. diclofenac structure

Diclofenac sodium is a benzeneacetic acid derivative, designated chemically as 2-[(2,6-dichlorophenyl)amino] benzeneacetic acid, monosodium salt. The structural formula is: C14H10Cl2NNaO2 M.W. 318.14 Diclofenac sodium is a white to off-white, hygroscopic crystalline powder. It is freely soluble in methanol, soluble in ethanol, sparingly soluble in water and practically insoluble in chloroform and in dilute acid. The n-octanol/water partition coefficient is 13.4 at pH 7.4 and 1545 at pH 5.2. Diclofenac sodium has a dissociation constant (pKa) of 4.0 ± 0.2 at 25°C in water. Each enteric-coated tablet for oral administration contains 25 mg, 50 mg, or 75 mg of diclofenac sodium. In addition, each tablet contains the following inactive ingredients. Inactive ingredients: lactose (monohydrate), microcrystalline cellulose, croscarmellose sodium, povidone, talc, magnesium stearate, methacrylic acid copolymer, polyethylene glycol, opadry brown (Titanium dioxide, hypromellose, polyethylene glycol, iron oxide red, iron oxide yellow). Structure

Diclofenac sodium topical gel, 1% is a nonsteroidal anti-inflammatory drug (NSAID) for topical use only. The chemical name is 2-[(2,6-dichlorophenyl) amino]benzene- acetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 , and it has the following chemical structure: It contains the active ingredient, diclofenac sodium, in an opaque, white gel base. Diclofenac sodium is a white to slightly yellow crystalline powder. Diclofenac sodium is a benzeneacetic acid derivative. The inactive ingredients in diclofenac sodium topical gel include: Carbomer homopolymer Type C, cocoyl caprylocaprate, isopropyl alcohol, mineral oil, polyoxyl 20 cetostearyl ether, propylene glycol, purified water, strong ammonia solution. structure.jpg

Diclofenac sodium extended-release tablets, USP is a benzeneacetic acid derivative. Diclofenac sodium extended-release tablets are available as extended-release tablets of 100 mg (pink) for oral administration. Diclofenac sodium is a white to off-white, hygroscopic, crystalline powder and is sparingly soluble in water at 25°C. The chemical name is 2-[(2,6-dichlorophenyl) amino] benzeneacetic acid, monosodium salt. The molecular weight is 318.14 g/mol. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 , and it has the following structural formula The inactive ingredients in diclofenac sodium extended-release tablets include: anhydrous lactose, hydroxyethyl cellulose, povidone, colloidal silicon dioxide, talc, magnesium stearate, hypromellose, titanium dioxide, macrogol, iron oxide red, polysorbate 80. FDA approved dissolution test specifications differ from USP. image description

Diclofenac sodium topical solution, USP contains 2% diclofenac sodium USP, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug, and is available as a clear, colorless to faintly pink or orange solution for topical application. The chemical name is 2[(2,6-dichlorophenyl)amino]-benzeneacetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 , and it has the following chemical structure. Each 1 gram of solution contains 20 mg of diclofenac sodium, USP. The inactive ingredients: alcohol (30.74% v/v), dimethyl sulfoxide USP (DMSO, 45.5% w/w), hydroxypropyl cellulose, propylene glycol, and purified water. chem structure

Diclofenac Sodium Topical Gel, 3%, intended for dermatologic use, contains the active ingredient, diclofenac sodium, in a clear, transparent, colorless to slightly yellow gel base. Diclofenac sodium is a white to slightly yellow crystalline powder. It is freely soluble in methanol, soluble in ethanol, sparingly soluble in water, slightly soluble in acetone, and partially insoluble in ether. The chemical name for diclofenac sodium is: Sodium [ o -(2,6-dichloranilino) phenyl] acetate Diclofenac sodium has a molecular weight of 318.13. The CAS number is CAS-15307-79-6. The structural formula is represented below: Diclofenac Sodium Topical Gel, 3% also contains benzyl alcohol, hyaluronate sodium, polyethylene glycol monomethyl ether, and purified water. 1 g of diclofenac sodium topical gel contains 30 mg of the active substance, diclofenac sodium. Chemical Structure

Diclofenac sodium topical solution USP, 2% w/w, contains diclofenac sodium, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug, and is available as a clear, colorless to faintly pink or orange solution for topical application. The chemical name is 2-[(2,6-dichlorophenyl)amino]-benzeneacetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 and it has the following chemical structure. Each 1 gram of solution contains 20 mg of diclofenac sodium USP. The inactive ingredients: dimethyl sulfoxide (DMSO, 45.5% w/w), dehydrated alcohol, hydroxypropyl cellulose, propylene glycol and purified water. Figure 1

Diclofenac sodium is a benzeneacetic acid derivative, designated chemically as 2-[(2,6-dichlorophenyl)amino] benzeneacetic acid, monosodium salt. The structural formula is: C 14 H 10 Cl 2 NNaO 2 M.W. 318.14 Diclofenac sodium is a white to off-white, hygroscopic crystalline powder. It is freely soluble in methanol, soluble in ethanol, sparingly soluble in water and practically insoluble in chloroform and in dilute acid. The n-octanol/water partition coefficient is 13.4 at pH 7.4 and 1545 at pH 5.2. Diclofenac sodium has a dissociation constant (pKa) of 4.0 ± 0.2 at 25°C in water. Each enteric-coated tablet for oral administration contains 25 mg, 50 mg, or 75 mg of diclofenac sodium. In addition, each tablet contains the following inactive ingredients. Inactive ingredients: lactose (monohydrate), microcrystalline cellulose, croscarmellose sodium, povidone, talc, magnesium stearate, methacrylic acid copolymer, polyethylene glycol, opadry brown (Titanium dioxide, hypromellose, polyethylene glycol, iron oxide red, iron oxide yellow). structural formula

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Diclofenac sodium is a benzeneacetic acid derivative, designated chemically as 2-[(2,6-dichlorophenyl)amino] benzeneacetic acid, monosodium salt. The structural formula is: C 14 H 10 Cl 2 NNaO 2 M.W. 318.14 Diclofenac sodium is a white to off-white, hygroscopic crystalline powder. It is freely soluble in methanol, soluble in ethanol, sparingly soluble in water and practically insoluble in chloroform and in dilute acid. The n-octanol/water partition coefficient is 13.4 at pH 7.4 and 1545 at pH 5.2. Diclofenac sodium has a dissociation constant (pKa) of 4.0 ± 0.2 at 25°C in water. Each enteric-coated tablet for oral administration contains 75 mg of diclofenac sodium. In addition, each tablet contains the following inactive ingredients. Inactive ingredients: lactose (monohydrate), microcrystalline cellulose, croscarmellose sodium, povidone, talc, magnesium stearate, methacrylic acid copolymer, polyethylene glycol, opadry brown (Titanium dioxide, hypromellose, polyethylene glycol, iron oxide red, iron oxide yellow). structural formula

Diclofenac sodium topical solution, USP contains 2% w/w diclofenac sodium, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug, and is available as a clear, colorless free flowing viscous solution for topical application. The chemical name is 2-[(2,6-Dichlorophenyl)amino] benzeneacetic acid, monosodium salt. The molecular weight is 318.1. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 and it has the following chemical structure: Each 1 gram of solution contains 20 mg of diclofenac sodium. In addition, diclofenac sodium topical solution, USP contains the following inactive ingredients: dimethyl sulfoxide USP (DMSO, 45.5% w/w), ethanol (31.35% v/v), hydroxypropyl cellulose, propylene glycol and purified water. structure

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Diclofenac sodium extended-release tablets, USP is a benzeneacetic acid derivative. Diclofenac sodium extended-release tablets are available as extended-release tablets of 100 mg (pink) for oral administration. Diclofenac sodium is a white to off-white, hygroscopic, crystalline powder and is sparingly soluble in water at 25°C. The chemical name is 2-[(2,6-dichlorophenyl) amino] benzeneacetic acid, monosodium salt. The molecular weight is 318.14 g/mol. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 , and it has the following structural formula The inactive ingredients in diclofenac sodium extended-release tablets include: anhydrous lactose, hydroxyethyl cellulose, povidone, colloidal silicon dioxide, talc, magnesium stearate, hypromellose, titanium dioxide, macrogol, iron oxide red, polysorbate 80. FDA approved dissolution test specifications differ from USP. image description

Diclofenac sodium topical solution, USP 1.5% is a nonsteroidal anti-inflammatory drug, available as a clear, colorless to faintly pink-orange solution for topical application. Diclofenac sodium topical solution, USP contains 1.5% w/w diclofenac sodium, USP, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug (NSAID), designated chemically as 2-[(2,6-dichlorophenyl)amino]-benzeneacetic acid, monosodium salt. It is a white to off-white crystalline powder, hygroscopic, and odorless that is freely soluble in methanol, soluble in alcohol, and sparingly soluble in water. The molecular weight is 318.13. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 and it has the following structural formula: Each 1 mL of solution contains 16.05 mg of diclofenac sodium, USP. The inactive ingredients in diclofenac sodium topical solution, USP include: alcohol, dimethyl sulfoxide USP (DMSO, 45.5% w/w), glycerin, propylene glycol, and purified water. Structural Formula

Uses for the temporary relief of arthritis pain ONLY in the following areas: head, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses for the temporary relief of arthritis pain ONLY in the following areas: hand, wrist, elbow (upper body areas) foot, ankle, knee (lower body areas) this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.

Uses • for the temporary relief of arthritis pain ONLY in the following areas: • hand, wrist, elbow (upper body areas) • foot, ankle, knee (lower body areas) • this product may take up to 7 days to work for arthritis pain; it is not for immediate relief. If no pain relief in 7 days, stop use.