Claritin Interactions: An Overview
Claritin® (
loratadine) can potentially interact with a few other medications. Some of the medicines that may lead to Claritin drug interactions include:
More Information on Claritin Interactions
The following sections explain in detail the potentially negative interactions that can occur when Claritin is combined with any of the drugs listed above.
Cimetidine
Cimetidine may increase the level of Claritin in the blood, although studies suggest that this interaction is unlikely to cause any problems. However, you may want to consult with your healthcare provider, especially if you notice any increase in side effects of Claritin.
Erythromycin
Taking Claritin with erythromycin may change the way your body handles Claritin, possibly increasing the level of Claritin in your blood. However, this interaction seems unlikely to cause problems for most people.
Ketoconazole
Combining Nizoral with Claritin may increase the level of Claritin in your blood, although studies have not shown this to be a problem for most people.