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Generic name: zinc sulfateZINK-SUL-fate ]
Brand names: Orazinc 110, Orazinc 220, Zinc, Zinc-220

Medically reviewed by on Apr 9, 2024. Written by Cerner Multum.

What is Zinc?

Zinc is a naturally occurring mineral. Zinc is important for growth and for the development and health of body tissues.

Zinc is used to treat and to prevent zinc deficiency and it also helps in the immune system function.

Zinc may also be used for purposes not listed in this medication guide.

Zinc side effects

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Common side effects of Zinc may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


Follow all directions on the label and package. Use exactly as directed.

Before taking this medicine

Ask a doctor or pharmacist before using Zinc if you have health problems or use other medications, or if you are pregnant or breastfeeding.

How should I take Zinc?

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

The recommended daily dose of zinc sulfate changes with age. Follow your healthcare provider's instructions. You may also consult the Office of Dietary Supplements of the NIH, or the USDA Nutrient Database of recommended daily allowances for more information.

Take Zinc with a full glass of water.

Take Zinc with food if it upsets your stomach.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include nausea, severe vomiting, dehydration, and restlessness.

What should I avoid while taking Zinc?

Avoid taking this medication with foods that are high in calcium or phosphorus, which can make it harder for your body to absorb Zinc. Foods high in calcium or phosphorus include milk, cheese, yogurt, ice cream, beans or peas, lentils, nuts, peanut butter, beer, cola soft drinks, and hot cocoa.

What other drugs will affect Zinc?

Other drugs may affect Zinc, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.

Popular FAQ

Few trials have been conducted that examine the role zinc supplementation or low zinc levels play in Covid-19. Spanish doctors found that people with low zinc levels admitted to hospital with Covid-19 tended to fare worse than those with healthier levels and numerous studies have reported benefits for zinc in people with the common cold. Zinc is an essential mineral that we have to obtain from diet or supplements. It supports normal growth and development during childhood, adolescence, and pregnancy; is responsible for the activity of more than 300 different enzymes in our body; is vital for our immune system functioning; and is important for wound healing.

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Zinc is a natural mineral present in some foods. Examples of food rich in zinc are:

  • Alaska king crab
  • Meat, such as beef, lamb, and pork
  • Oysters
  • Pine nuts
  • Pumpkin seeds
  • Wheat germ.
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Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.