Zyrtec D 5 mg/120 mg Capsule is a combination medicine used in the treatment of allergy symptoms like runny nose, sneezing, throat irritation, watery eyes, and congestion or stuffiness in the nose.
 
Zyrtec D 5 mg/120 mg Capsule is taken with or without food in a dose and duration as advised by the doctor. The dose you are given will depend on your condition and how you respond to the medicine. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your healthcare team know about all other medications you are taking as some may affect, or be affected by this medicine.
 
The most common side effects are dryness in the mouth, headache, nausea, vomiting, tiredness, and restlessness. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. It can also cause dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine as it can worsen your sleepiness.