Rynatan Side Effects, and Drug Interactions - Phenylephrine, Chlorpheniramine, and Pyrilamine

Rynatan Side Effects, and Drug Interactions - Phenylephrine, Chlorpheniramine, and Pyrilamine

SIDE EFFECTS

Adverse effects associated with R-TANNATE at recommended doses have been minimal. The most common have been drowsiness, sedation, dryness of mucous membranes, and gastrointestinal effects. Serious side effects with oral antihistamines or sympathomimetics have been rare.

DRUG INTERACTIONS

Do not prescribe this product for use in patients that are now taking a prescription M.O. (certain drugs for depression, psychiatric or emotional conditions, or Parkinson’s disease), or for 2 weeks after stopping the MAOI drug therapy. M.O. inhibitors may prolong or intensify the anticholinergic effects of antihistamines and the overall effects of sympathomimetic agents.