Fexofenadine 120 mg Uses:

1. Allergic Rhinitis: Fexofenadine is commonly prescribed to relieve symptoms of allergic rhinitis, such as sneezing, runny nose, and itching, caused by seasonal allergies.
2. Chronic Urticaria: It is effective in treating chronic idiopathic urticaria, alleviating symptoms like hives and itching.

Fexofenadine 120 mg Side Effects:

1. Common Side Effects: Headache, dizziness, and nausea are mild side effects reported by some individuals.
2. Rare but Serious Side Effects: Although rare, severe allergic reactions, irregular heartbeat, and difficulty breathing have been reported. Seek medical attention if such symptoms occur.

Montelukast 10 mg Uses:

1. Asthma Management: Montelukast is often prescribed to help manage and prevent asthma symptoms by blocking the action of leukotrienes, which contribute to bronchoconstriction.
2. Allergic Rhinitis: It is used for the treatment of allergic rhinitis, reducing symptoms like nasal congestion, sneezing, and itching.

Montelukast 10 mg Side Effects:

1. Common Side Effects: Headache, stomach upset, and fever are among the commonly reported side effects.
2. Uncommon Side Effects: Some individuals may experience mood or behavior changes, sleep disturbances, or allergic reactions. Consult a healthcare professional if these effects persist or worsen.

It’s crucial to consult with a healthcare provider for personalized advice, especially if you have pre-existing medical conditions or are taking other medications. This information serves as a general guide and should not replace professional medical advice.