Orazinc 110mg Tablets
Overview
What is this medicine?
How to Use This Medicine
To get the most benefit from your medication, take it exactly as directed by your doctor. Carefully read all the information provided with your prescription, and follow the instructions closely. You can take this medication with or without food. If it causes stomach upset, taking it with food may help.
Storing and Disposing of Your Medication
To maintain the quality and safety of your medication, store it at room temperature in a dry location, avoiding the bathroom. Keep all medications in a secure place, out of the reach of children and pets. When your medication is no longer needed or has expired, dispose of it properly. Do not flush it down the toilet or pour it down the drain unless instructed to do so. If you have questions about the best way to dispose of your medication, consult your pharmacist. You may also want to check if there are drug take-back programs available in your area.
Missing a Dose
If you miss a dose, take it as soon as you remember. However, if it's close to the time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule. Do not take two doses at the same time or take extra doses to make up for a missed one.
Lifestyle & Tips
- Take with food if stomach upset occurs, but be aware that food (especially dairy, high-fiber foods, and certain grains/legumes) can reduce absorption. If possible, take 1 hour before or 2 hours after meals.
- Avoid taking at the same time as iron supplements, calcium supplements, or certain antibiotics (quinolones, tetracyclines). Separate doses by at least 2-6 hours.
- Do not exceed recommended doses, as excessive zinc can lead to side effects and copper deficiency.
Available Forms & Alternatives
Available Strengths:
Dosing & Administration
Adult Dosing
Condition-Specific Dosing:
Pediatric Dosing
Dose Adjustments
Renal Impairment:
Hepatic Impairment:
Pharmacology
Mechanism of Action
Pharmacokinetics
Absorption:
Distribution:
Elimination:
Pharmacodynamics
Safety & Warnings
Side Effects
Although rare, this medication can cause severe and potentially life-threatening side effects. If you experience any of the following symptoms, contact your doctor or seek medical help right away:
- Signs of an allergic reaction, such as:
- Rash
- Hives
- Itching
- Red, swollen, blistered, or peeling skin with or without fever
- Wheezing
- Tightness in the chest or throat
- Trouble breathing, swallowing, or talking
- Unusual hoarseness
- Swelling of the mouth, face, lips, tongue, or throat
Other Possible Side Effects
Like all medications, this drug can cause side effects. However, many people do not experience any side effects or only have mild ones. If you have side effects that bother you or do not go away, contact your doctor for advice.
Reporting Side Effects
This list does not include all possible side effects. If you have questions or concerns about side effects, discuss them with your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch. Your doctor is available to provide medical advice about side effects.
Seek Immediate Medical Attention If You Experience:
- Severe nausea, vomiting, or diarrhea (may indicate overdose or intolerance)
- Abdominal pain or cramps
- Metallic taste in mouth
- Headache, dizziness
- Unusual tiredness or weakness
- Signs of copper deficiency: pale skin, unusual bruising or bleeding, frequent infections, numbness or tingling in hands/feet, difficulty walking.
Before Using This Medicine
It is essential to inform your doctor about the following:
Any allergies you have, including allergies to this medication, its components, or other substances, such as foods or drugs. Be sure to describe the symptoms you experienced as a result of the allergy.
All medications you are currently taking, including prescription and over-the-counter (OTC) drugs, natural products, and vitamins. This information will help your doctor and pharmacist assess potential interactions between this medication and other substances you are taking.
* Any existing health problems, as this medication may interact with certain conditions.
To ensure your safety, it is crucial to verify that it is safe to take this medication with all your current medications and health conditions. Never start, stop, or adjust the dosage of any medication without first consulting your doctor.
Precautions & Cautions
Overdose Information
Overdose Symptoms:
- Acute: Nausea, vomiting, diarrhea, abdominal pain, metallic taste, dizziness, headache, lethargy.
- Chronic: Copper deficiency (anemia, neutropenia, neurological symptoms), impaired immune function, reduced HDL cholesterol.
What to Do:
Discontinue zinc. For acute overdose, supportive care. For chronic toxicity, manage copper deficiency (e.g., copper supplementation). Call 1-800-222-1222 (Poison Control Center) for advice.
Drug Interactions
Major Interactions
- Quinolone antibiotics (e.g., ciprofloxacin, levofloxacin): Zinc can chelate these antibiotics, significantly reducing their absorption. Separate administration by at least 2-6 hours.
- Tetracycline antibiotics (e.g., doxycycline, minocycline): Zinc can chelate these antibiotics, significantly reducing their absorption. Separate administration by at least 2-6 hours.
Moderate Interactions
- Penicillamine: Zinc can decrease the absorption of penicillamine. Separate administration by at least 2 hours.
- Iron supplements: High doses of iron can interfere with zinc absorption. Separate administration by at least 2 hours.
- Copper supplements: High doses of zinc can induce copper deficiency by increasing metallothionein synthesis, which binds copper in the gut and prevents its absorption. Monitor copper levels with long-term high-dose zinc.
- Calcium and Phosphorus: High dietary intake of calcium and phosphorus may slightly impair zinc absorption.
- Phytates (in whole grains, legumes, nuts): Reduce zinc absorption. Take zinc supplements away from meals rich in phytates.
Minor Interactions
- Folate: High doses of zinc may interfere with folate metabolism, though clinical significance is usually low.
- Chromium: May compete for absorption, but clinical significance is generally low.
Monitoring
Baseline Monitoring
Rationale: To confirm deficiency if suspected and establish a baseline for therapeutic monitoring.
Timing: Prior to initiation of therapy for deficiency.
Rationale: To establish baseline, especially if high-dose or long-term zinc therapy is anticipated, due to risk of copper deficiency.
Timing: Prior to initiation of high-dose or long-term therapy.
Routine Monitoring
Frequency: Every 3-6 months for long-term therapy, or as clinically indicated.
Target: 70-120 mcg/dL (or laboratory specific reference range)
Action Threshold: Below target range indicates inadequate supplementation; above target range (especially >200 mcg/dL) indicates potential toxicity or excessive supplementation.
Frequency: Every 6-12 months for long-term high-dose zinc therapy.
Target: 70-140 mcg/dL (or laboratory specific reference range)
Action Threshold: Below target range indicates potential copper deficiency induced by zinc; consider copper supplementation or zinc dose reduction.
Frequency: Annually for long-term high-dose zinc therapy.
Target: Normal ranges
Action Threshold: Anemia or neutropenia may indicate copper deficiency.
Symptom Monitoring
- Gastrointestinal upset (nausea, vomiting, diarrhea, abdominal pain)
- Metallic taste in mouth
- Headache
- Dizziness
- Signs of copper deficiency (e.g., anemia, neutropenia, neurological symptoms like ataxia, peripheral neuropathy, myelopathy)
- Impaired immune function (paradoxical effect with excessive zinc)
Special Patient Groups
Pregnancy
Zinc is an essential nutrient during pregnancy. Adequate intake is crucial for fetal development. Therapeutic doses (above RDA) should only be used if a deficiency is confirmed and under medical supervision. Excessive intake can be harmful.
Trimester-Specific Risks:
Lactation
Zinc is excreted in breast milk and is essential for infant growth and development. Generally considered compatible with breastfeeding at recommended doses. High doses should be avoided.
Pediatric Use
Dosing must be carefully calculated based on age, weight, and specific indication to avoid toxicity. Infants and young children are more susceptible to adverse effects from excessive zinc. Essential for growth, immune function, and development.
Geriatric Use
Older adults may have altered zinc absorption or increased risk of deficiency due to dietary factors or comorbidities. Dosing generally similar to adults, but monitor for interactions with other medications and for signs of toxicity or deficiency.
Clinical Information
Clinical Pearls
- Orazinc 110mg typically contains 110mg of zinc sulfate heptahydrate, which provides approximately 25mg of elemental zinc. Always clarify the elemental zinc content when prescribing or dispensing.
- Advise patients to take zinc sulfate with food if they experience gastrointestinal upset, despite potential for reduced absorption.
- Emphasize the importance of separating zinc doses from quinolone and tetracycline antibiotics by several hours to prevent significant reduction in antibiotic efficacy.
- For long-term, high-dose zinc therapy (e.g., >50 mg elemental zinc/day), monitor serum copper levels to prevent induced copper deficiency, which can lead to anemia and neurological issues.
- Zinc supplementation is most effective when a deficiency is confirmed or highly suspected. Routine high-dose supplementation without indication is not recommended.
Alternative Therapies
- Other zinc salts (e.g., zinc gluconate, zinc picolinate, zinc acetate): These salts vary in elemental zinc content and absorption characteristics, but serve the same purpose.
- Dietary sources of zinc: Red meat, poultry, seafood (especially oysters), dairy products, nuts, beans, whole grains.