SPL Set ID: 485b87c3-2a51-133b-e063-6294a90a95c3

Amitriptyline Hydrochloride, USP a dibenzocycloheptadiene derivative, is a white or practically white, odorless or partially odorless, crystalline powder or small crystals which is Freely soluble in water, in alcohol, in chloroform and in methanol, insoluble in ether. It is designated chemically as 10,11-Dihydro- N,N -dimethyl-5 H -dibenzo[a,d] cycloheptene-Δ 5,γ -propylamine hydrochloride. It has the following structural formula: Each tablet for oral administration contains 10, 25, 50, 75, 100, or 150 mg amitriptyline hydrochloride USP. Inactive ingredients include colloidal silicon dioxide, croscarmellose sodium, hydroxypropyl cellulose, isopropyl alcohol, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch. The film coating contains Opadry ® Pink (carmine, FD&C Blue #1, FD&C Yellow #6, Hypromellose 2910, polyethylene glycol, titanium dioxide); Opadry ® Green (FD&C Blue #1, FD&C Blue #2, FD&C Red #40, Hypromellose 2910, iron oxide yellow, polyethylene glycol, titanium dioxide); Opadry ® Brown (FD&C Blue #2, FD&C Red #40, Hypromellose 2910, iron oxide red, polyethylene glycol, titanium dioxide); Opadry ® Purple (carmine, FD&C Blue #2, ferrosoferric oxide, Hypromellose 2910, polyethylene glycol, titanium dioxide); Opadry ® Orange (FD&C Yellow #6, Hypromellose 2910, iron oxide red, polyethylene glycol, titanium dioxide); Opadry ® Green (FD&C Blue #1, FD&C Blue #2, FD&C Red #40, Hypromellose 2910, iron oxide yellow, polyethylene glycol, titanium dioxide). FDA approved dissolution specifications differs from the USP. image