H800
Tagamet® (Cimetidine) and Zantac® (Ranitidine)


Product Description: These products are H2 inhibitors that decrease acid production in the stomach.

Indications for Use: These products are formulated to help prevent and/or treat ulcers in the stomach.

Dosage and Administration: Tagamet is administered at a dose of 11 mg per 10 lbs., twice a day. This means that a 10 lb. cat should receive 0.2 mL (60 mg/mL) of the oral solution, or a 0.07 mL (150 mg/mL) injection.

Zantac is given at a dose of 11-16 mg per 10 lbs., twice a day. This means that a 10 lb. cat should receive 1 mL (15 mg/mL) of the oral solution, or 0.45 mL (25 mg/mL), SQ or IV of the injectable form.

Packaging: Tagamet comes in a tablet, liquid solution, and an injectable form. The tablets are often too large for use in cats. The solution comes in a 60 mg/mL concentration, while the injectable product comes in a 150 mg/mL concentration.

Zantac comes in a tablet, liquid (syrup), and an injectable form. The tablets come in too high of a strength to be used in cats. The syrup comes in a 15 mg/mL concentration, and the injectable product comes in a 25 mg/mL concentration.

Storage: Store at room temperature and avoid moisture.

Drug Type: Rx or O-T-C, depending on the product

Manufacturer: Many