There are saveral causes for constipation of hypothyroidism is common in young females
Thyroid function tests are necessary to rule out hypothyroidism.Daily 30 minutes of physical activity like brisk walk to increase ur metabolism ,plenty of water n other fluids,low intake of red meat n other high fat foods,avoiding green chillies and decreasing other spices in diet .
For acidity:
Tablet. Pantop-D one tablet at 8 Am half an hour before breakfast,
Syrup.Sucrafyl 5ml Three times daily with food.
For constipation:
Syp.Duphalac (lactulose) 15ml in a glass of water, half an hour before sleep .
Hope this helps.