Certain medications may cause weight gain. These act by increasing appetite or by fluid retention.
- Prolonged Oral steroids intake, prescribed for some chronic ailments cause weight gain. These increase appetite and also cause fluid retention.
- Many antidepressants also increase one’s appetite.
- Some antihistamines increase one’s craving for sweets and thus help in weight gain.
- Oral contraceptives
- Drugs prescribed for Hormone Replacement Therapy (HRT)
- Lithium used for manic bipolar disorders
- Breast cancer medicines
- Beta blockers
- Anti-seizure medicines
Not all people using these drugs gain weight. The same drug may cause weight gain for some people and weight loss for other people.