What is Halls Defense® (vitamin C) used for?
Halls Defense® is used to prevent or treat low levels of vitamin C in people who do not get enough of the vitamin from their diets. Vitamin C plays an important role in the body. It is needed to maintain the health of skin, cartilage, teeth, bone, and blood vessels. It is also used to protect your body’s cells from damage. It is known as an antioxidant.
How should I take Halls Defense® (vitamin C)?
If you are taking the extended-release capsules, swallow them whole. Do not crush or chew extended-release capsules or tablets. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split extended-release tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing. Take this product with a full glass of water (8 ounces/240 milliliters) unless your doctor directs you otherwise.
If you are taking the wafers or chewable tablets, chew them thoroughly and then swallow. If you are taking the lozenges, place the lozenge in your mouth and allow it to slowly dissolve.
If you are taking the powder, mix it thoroughly in the proper amount of liquid and stir well. Drink all of the liquid right away. Do not prepare a supply for future use. If you are using the liquid form of this vitamin, carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.
How do I store Halls Defense® (vitamin C)?
Halls Defense® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Halls Defense® in the bathroom or the freezer. There may be different brands of Halls Defense® that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.
You should not flush Halls Defense® down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.
Precautions & warnings
What should I know before using Halls Defense® (vitamin C)?
Before using this drug, tell your doctor if:
- You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
- You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
- You have allergy with any of active or inactive ingredients of Halls Defense® or other medications.
- You have any other illnesses, disorders, or medical conditions.
Is it safe during pregnancy or breastfeeding?
There isn’t enough information about the safety of using Halls Defense® during pregnancy and breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Halls Defense®.
What side effects can occur from Halls Defense® (vitamin C)?
If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
- Abdominal cramps/pain
Tell your doctor right away if any of these rare but very serious side effects occur:
- Painful urination
- Pink/bloody urine
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
- Itching/swelling (especially of the face/tongue/throat)
- Severe dizziness
- Trouble breathing
Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.
What drugs may interact with Halls Defense® (vitamin C)?
Halls Defense® may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.
Does food or alcohol interact with Halls Defense® (vitamin C)?
Halls Defense® may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.
What health conditions may interact with Halls Defense® (vitamin C)?
Halls Defense® may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.
These health conditions are:
- Kidney disease (such as kidney stones)
- A certain enzyme deficiency (G6PD deficiency)
The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using Halls Defense® (vitamin C).
What is the dose of Halls Defense® (vitamin C) for an adult?
The recommended dose is 1 to 2 times daily.
What is the dose of Halls Defense® (vitamin C) for a child?
The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully understand the safety of the drug before using. Please consult with your doctor or pharmacist for more information.
How is Halls Defense® (vitamin C) available?
Halls Defense® is available in the following dosage forms and strengths:
- Extended-release capsules
- Chewable tablets
What should I do in case of an emergency or overdose?
In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.
What should I do if I miss a dose?
If you miss a dose of Halls Defense®, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.
Hello Health Group does not provide medical advice, diagnosis or treatment.
Review Date: May 25, 2017 | Last Modified: May 25, 2017
Halls Defense®. http://www.webmd.com/drugs/2/drug-156552/halls-defense-oral/details#interactions. Accessed January 7, 2017.