Brief Answer:
Take doxylamine, antacids and omeprazole.

Detailed Answer:
Hello,
Thanks for trusting us with your health concern.
Acidity is common in pregnancy and can be helped by taking antacids like Tums, Digene, etc. You can also take proton pump inhibitor like omeprazole available over the counter. Simple remedies that will help you -
1. Eat home made, fresh, bland food. Avoid spicy, oily , greasy, fried or stale food. Avoid eating outside.
2. Instead of 2 big meals, have 5 - 6 spaced out meals.
3. Take lots of water, buttermilk, coconut water, lime juice etc,
4. You can take Doxylamine tablet, this is needed just once a day, early in the morning, it will help your nausea and acidity.
5. You can take Omeprazole tablet twice a day to combat the acidity.
6. Before sleeping, take a glass of chilled milk at night.
7. Sleep with pillows propping up your head at night.
8. After any meal, avoid lying down or sleeping for atleast 2 hours.
9. Avoid stress or worrying, as it compounds the acidity.     
10. You can add simple items like lemon,cinnamom, ketchup to your food instead of chillies and spices to alter the taste and improve your nausea.
Please feel free to discuss further. I will be glad to answer the follow up queries that you have.
Wishing you good health.
Regards.
Dr. Rakhi Tayal.
For future query, you can directly approach me through my profile URL http://bit.ly/Dr-Rakhi-Tayal

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