Always inform your doctor or pharmacist about all medications you are taking, including over-the-counter drugs, herbal supplements, and vitamins, before starting cetirizine. This helps prevent potential interactions.
Interactions to Note
- Alcohol: Combining cetirizine with alcohol may increase drowsiness. Avoid alcohol consumption while taking cetirizine. MAO Inhibitors: Use caution when taking cetirizine with monoamine oxidase inhibitors (MAOIs). Consult your doctor before combining these medications. Sedatives and Opioids: Cetirizine can enhance the sedative effects of these drugs. You might experience increased drowsiness or dizziness. Your doctor may adjust your dosage. Theophylline: Cetirizine may decrease the effectiveness of theophylline, a medication used to treat asthma and other respiratory conditions. Your doctor should monitor theophylline levels carefully if you’re taking both medications.
Other Potential Interactions
While less common, cetirizine can potentially interact with other medications. These include some antidepressants, antihistamines, and certain heart medications. Always provide a complete medication list to your doctor or pharmacist. They can assess potential risks and provide guidance.
Report any unexpected side effects, such as excessive drowsiness, dizziness, or unusual heart rhythm, to your doctor immediately. Never stop or change your medication dosage without consulting your doctor or pharmacist first.
