Nifedipine (Adalat, Nifediac, Procardia, Procardia XL)
Tagamet can increase the amount of
nifedipine in your blood, increasing your chance of side effects. Your healthcare provider may need to decrease your
nifedipine dosage. Alternatively, your healthcare provider may suggest using one of the alternatives to Tagamet.
Phenytoin (Dilantin)
Tagamet can increase the amount of
phenytoin in your blood, increasing your chance of side effects. Your healthcare provider may need to decrease your phenytoin dosage. Alternatively, your healthcare provider may suggest using one of the alternatives to Tagamet.
Propranolol (Inderal, Inderal LA, InnoPran XL)
Tagamet can increase the amount of
propranolol in your blood, increasing your chance of side effects. Your healthcare provider may need to decrease your dose of propranolol. Alternatively, your healthcare provider may suggest using one of the alternatives to Tagamet.
Theophylline
Tagamet can increase the amount of
theophylline in your blood, increasing your chance of side effects. Your healthcare provider should monitor the level of theophylline in your blood and may need to decrease your
theophylline dosage. Alternatively, your healthcare provider may suggest using one of the alternatives to Tagamet.
Tricyclic Antidepressants
Tagamet can increase the level of
tricyclic antidepressants in your blood, increasing your chance of side effects. Your healthcare provider may need to decrease your
tricyclic antidepressant dose. Alternatively, your healthcare provider may suggest using one of the alternatives to Tagamet.
Warfarin (Coumadin, Jantoven)
Taking Tagamet and warfarin together can increase the amount of warfarin in your blood and may increase your risk of bleeding. Your healthcare provider may need to monitor you more closely when starting or stopping Tagamet and may need to adjust your warfarin dose. Alternatively, your healthcare provider may suggest using one of the alternatives to Tagamet.
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