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Delta D3

Generic name: cholecalciferol (vitamin D3) [KOE-le-kal-SIF-e-role]

Brand names: Carlson D, Ddrops, Decara, Delta D3, Enfamil D-Vi-Sol,… show all 10 brands
Drug class: vitamins

What is Delta D3?

Vitamin D3 is cholecalciferol. Vitamin D is essential for calcium absorption. Cholecalciferol can be used to supplement the diet of people who do not consume enough vitamin D. Cholecalciferol can be used in other ways not mentioned here.

Side effects of Delta D3

If you experience symptoms such as difficulty breathing, hives or swelling to lips, face throat or tongue then allergies could be to blame.

If you experience:

  • Are You Feeling Breathless and Chest Pain
  • Growth problems in children taking cholecalciferol; or
  • Early signs of vitamin D overdose include weakness, weight loss, pain in the muscles or bones, constipation, nausea, vomiting, and weight gain.

Your reactions could range from less severe side effects or none at all. There may be additional adverse reactions. For medical advice about any adverse reactions, speak with your healthcare provider; report adverse events by calling the FDA's 1-800-FDA-1088 hotline.


If you are allergic to vitamin D, have high calcium levels, or if your body has a condition called malabsorption, you should avoid taking cholecalciferol.

Before you take this drug

If you are allergic to vitamin D or have any of the following:

  • Hypervitaminosis () D;
  • Hypercalcemia is a condition where there are high calcium levels in the blood.
  • Malabsorption is a condition in which your body has difficulty absorbing nutrients.

If you've ever:

  • Heart disease
  • Kidney disease
  • An electrolyte imbalance.

You should consult your doctor before using cholecalciferol if you have allergies, diabetes, or phenylketonuria (PKU). Before using cholecalciferol, consult your doctor if you suffer from allergies, diabetes, or phenylketonuria. If you're pregnant or nursing, consult your doctor before taking cholecalciferol. You may need a different dose during pregnancy and while breastfeeding. Never give cholecalciferol without consulting a doctor. The dose your child receives will vary depending on their age, weight, and diet.

How to take Delta D3?

Be sure to follow all instructions included with your prescription and only administer the amount prescribed of cholecalciferol. You can take the cholecalciferol with or without food. Dose liquid cholecalciferol with care. Dosing is done with the syringe that comes in the package or a dose-measuring device for medicine (not a spoon). Chew the chewable tablet before swallowing it. Place the disintegrating tablet (Quick Melt) on your tongue. Do not swallow it whole. Let it dissolve without chewing in your mouth. You can drink liquids to aid in the swallowing of the tablet. You should only take the cholecalciferol tablet once a week, or even once a month. Be sure to follow your doctor's instructions. You must chew the wafer before swallowing it. You will be required to have frequent blood tests while using cholecalciferol. You might also require x-rays. How long you will be treated with cholecalciferol by your doctor is determined by him. Cholecalciferol is only one part of an overall treatment plan that may also include dietary modifications and calcium and vitamin supplementation. You should follow your doctor's advice. Find out what foods to eat in order to get the right amount of calcium and vitamin D. You may have to adjust your cholecalciferol dosage as you change your diet. Keep away from heat, moisture, and light.

What happens if I miss the dose?

If you miss a dose, take it immediately or wait until your next scheduled dosage time to take it if close by. Never double up on doses at one time.

What happens if I overdose?

Call the Poison Help Line at 1-800-222-1222 or seek emergency medical care. A vitamin D overdose can have serious and life-threatening effects. Overdose symptoms include body aches and stiffness, as well as nausea, vomiting, decreased appetite, increased thirst, more or less urination than normal, confusion, or an irregular heartbeat.

What should be avoided?

Before taking antiacids, multivitamins, or mineral supplements while taking cholecalciferol, consult your doctor.

Interaction with other drug

Take your other medication at least two hours before or after taking cholecalciferol. Other medications, such as vitamins and herbal remedies, may also affect cholecalciferol.Informing your physician of all medications you are currently taking and any changes (for instance a change from once daily usage to more often usage).