SPL Set ID: 9f9d6495-47ff-4dcf-9643-ebd5cd7499cb

Amitriptyline hydrochloride, USP, a dibenzocycloheptadiene derivative, is a white, or practically white, crystalline powder or small crystals which is freely soluble in water, in alcohol, in chloroform, in methanol and 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, lactose monohydrate, magnesium stearate, microcrystalline cellulose. The 10 mg also includes Hypromellose, PEG, Titanium Dioxide, , D&C Red #27 Aluminum Lake, D&C Yellow #10 Aluminum Lake and FD&C Blue #1 Aluminum Lake; 25 mg – Hypromellose, PEG, Titanium Dioxide, FD&C Blue #1 Aluminum Lake, D&C Yellow #10 Aluminum Lake and FD&C Red #40 Aluminum Lake; 50 mg - Hypromellose; PEG, Titanium Dioxide, FD&C Red #40 Aluminum Lake, D&C Yellow #10 Aluminum Lake and FD&C Blue #2 Aluminum Lake; 75 mg - Hypromellose, PEG, Titanium Dioxide, and FD&C Blue #2 Aluminum Lake; 100 mg – Hypromellose, PEG, Titanium Dioxide, D&C Yellow #10 Aluminum Lake, and D&C Red #30 Aluminum Lake; 150 mg - Hypromellose , PEG, Titanium Dioxide