•You should take as prescribed by your doctor as there are many drugs which have their different uses.

•The role of zinc in human health and functioning has primarily focused on dietary supplementation for the promotion of health and disease prevention. Aside from dietary zinc supplementation, zinc has been studied for therapeutic use in the common cold, atopic eczema, psoriasis, acne vulgaris, degenerative retinal lesions, age-related macular degeneration, inflammatory bowel disease, and various other disorders.

•Typical daily doses range widely from 12 to 15 mg daily as free zinc or up to 22 mg as zinc sulfate. Avoid high-dose, long-term zinc supplementation.

•Caution should be exercised in patients with history of weakened immune system,brain or spinal cord disease, epilepsy, kidney or liver impairment, mental illness, any allergy, kidney or liver problems, diabetes, suicidal thoughts, who are taking other medications, elderly, children, during pregnancy and breastfeeding.

•Contraindicated in patients who are hypersensitive or have intolerance.

•It is not known whether this medication will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication. It is not known whether this medication passes into breast milk or if it could harm a nursing baby. Do not use this medication without medical advice if you are breast-feeding a baby.

•The most common adverse reactions of oral zinc are nausea, bad taste, diarrhea, vomiting, mouth irritation, and, rarely, mouth sores. Nasal and throat irritation may occur with the zinc spray. There have been case reports of apparent zinc-induced copper deficiency, immune system dysfunction, and myeloneuropathy. An increase in genitourinary symptoms and prostate cancer has been related to zinc supplementation.

•Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine

•Read the package insert and/or patient product information sheet that comes with your prescription.
• Most medications should be stored in a dry place away from heat and humidity.
• Some medications also have special instructions for storage. Check for special instructions on your prescription label.
• If your medication needs to be protected from light, it should be stored in a container that filters out light, such as a clean film canister.
• If your medication needs to be refrigerated, and you do not have a fridge available (for example, if you are working outside or on the road all day), try using a cooler with an ice pack. An ordinary cooler found at hardware or sporting goods stores will do.

•Apply the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to use the medicine and skip the missed dose. Do not apply extra medicine to make up the missed dose.

•Ascorbic acid is used to treat and prevent vitamin C deficiency.

•The chewable tablet must be chewed before you swallow it. Ascorbic acid gum may be chewed as long as desired and then thrown away. Do not crush, chew, or break an extended-release tablet. Swallow it whole. Measure liquid medicine with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one. Keep the orally disintegrating tablet in the package until you are ready to take it. Use dry hands to remove the tablet and place it in your mouth. Do not swallow the tablet whole. Allow it to dissolve in your mouth without chewing. Swallow several times as the tablet dissolves.

•You should not use ascorbic acid if you have ever had an allergic reaction to a vitamin C supplement. Ask a doctor or pharmacist about using ascorbic acid if you have: kidney disease or a history of kidney stones; hereditary iron overload disorder (hematochromatosis); or if you smoke (smoking can make ascorbic acid less effective).

•Caution should be exercised in patients with history of weakened immune system,brain or spinal cord disease, epilepsy, kidney or liver impairment, mental illness, any allergy, kidney or liver problems, diabetes, suicidal thoughts, who are taking other medications, elderly, children, during pregnancy and breastfeeding.

•Contraindicated in patients who are hypersensitive or have intolerance.

•Your dose needs may be different during pregnancy or while you are breast-feeding a baby. Do not use ascorbic acid without your doctor's advice in either case.

•Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Stop using ascorbic acid and call your doctor at once if you have: joint pain, weakness or tired feeling, weight loss, stomach pain; chills, fever, increased urge to urinate, painful or difficult urination; or severe pain in your side or lower back, blood in your urine. Common side effects may include: heartburn, upset stomach; or nausea, diarrhea, stomach cramps.

•Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine

•Store ascorbic acid at room temperature away from moisture and heat.

•Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.