Common side effects associated with Clarinase Repetabs 5 mg/120 mg prolonged-release tablets include: thirst, nervousness, drowsiness, depression, agitation, anorexia, trouble sleeping, dizziness, dry mouth, fast heartbeat, sore throat, inflammation of the nasal lining, constipation, nausea, headache and tiredness.

Can Claritin cause headaches?

The most common adverse events with loratadine are: headache, drowsiness, fatigue and.

Why is Clarinase banned?

The pseudoephedrine in Clarinase is considered a stimulant by sporting bodies. Its use in competing athletes is not recommended.