Tab-A-vite Multivit W/iron Tablets
Overview
What is this medicine?
How to Use This Medicine
To get the most benefit from your medication, follow your doctor's instructions and read all the information provided. Take your medication as directed, and follow these guidelines:
You can take this medication with or without food. If it upsets your stomach, try taking it with food.
For best results, take this medication at bedtime. If you have questions about the timing, consult your doctor or pharmacist.
Extended-Release Products: Swallow the tablets whole; do not chew, break, or crush them.
Liquid Medication: Measure your dose carefully using the provided measuring device. If one is not included, ask your pharmacist for a device to measure your medication accurately.
* Chewable Tablets: Chew the tablets thoroughly before swallowing.
Storing and Disposing of Your Medication
Keep your medication in a safe place, out of the reach of children and pets. Store it at room temperature in a dry location, away from heat and light. Avoid storing it in a bathroom.
What to Do If You Miss 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 dose, skip the missed dose and resume your regular schedule. Do not take two doses at the same time or take extra doses.
Lifestyle & Tips
- Take with food to improve absorption and reduce stomach upset, especially with iron.
- Avoid taking with dairy products, tea, coffee, or high-fiber foods, as these can reduce iron absorption. If you must, separate by at least 2 hours.
- Consider taking with a source of Vitamin C (e.g., orange juice) to enhance iron absorption.
- Maintain a balanced diet rich in fruits, vegetables, and whole grains.
- Store in a cool, dry place, away from direct light and moisture. Keep out of reach of children, as iron overdose can be fatal in young children.
Available Forms & Alternatives
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, some people may experience severe and potentially life-threatening side effects while taking this medication. If you notice 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
If your product contains iron:
+ Black, tarry, or bloody stools
+ Fever
+ Vomiting blood or coffee ground-like material
+ Stomach cramps
Other Possible Side Effects
Like all medications, this drug can cause side effects. While many people may not experience any side effects or only minor ones, it's essential to discuss any concerns with your doctor. Contact your doctor or seek medical help if you experience any of the following side effects or if they persist or bother you:
Common to all products:
+ Upset stomach or vomiting
If your product contains iron:
+ Diarrhea or constipation
+ Change in stool color to green
+ Stomach pain
Reporting Side Effects
This list is not exhaustive, and you may experience other side effects. If you have questions or concerns, consult your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
Seek Immediate Medical Attention If You Experience:
- Severe stomach pain, vomiting, diarrhea, pale or bluish skin, lethargy (signs of iron overdose - seek immediate medical attention).
- Persistent nausea, vomiting, constipation, or diarrhea.
- Unusual fatigue, weakness, or muscle pain.
- Changes in vision or skin.
- Signs of allergic reaction: rash, itching, swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
Before Using This Medicine
It is essential to inform your doctor about the following conditions before starting this medication:
Any allergies you have, including allergies to this drug, its components, or other substances, as well as the symptoms you experienced
Certain types of anemia, such as pernicious anemia, which is characterized by a lack of vitamin B12 in the body
If you are currently taking levodopa
If you are taking mineral oil
* If your product contains iron and you have:
+ Excessive iron levels in your body
+ Hemolytic anemia
This list is not exhaustive, and it is crucial to discuss all your medications, including prescription and over-the-counter drugs, natural products, and vitamins, with your doctor and pharmacist. They will help you determine if it is safe to take this medication with your existing health conditions and medications. Never start, stop, or adjust the dosage of any medication without consulting your doctor first.
Precautions & Cautions
If you have a soy allergy, consult with your doctor before taking this medication, as some products may contain soy. Similarly, if you are allergic to tartrazine (also known as FD&C Yellow No. 5), discuss this with your doctor, as some products may contain this ingredient.
When administering this medication to children, note that different brands may be suitable for different age groups. Therefore, it is crucial to consult with your doctor before giving this drug to a child to ensure you are using the correct brand and dosage.
If you are pregnant, planning to become pregnant, or are breast-feeding, inform your doctor. You and your doctor will need to discuss the potential benefits and risks of taking this medication to you and your baby.
Overdose Information
Overdose Symptoms:
- Initial symptoms (within 6 hours): severe stomach pain, nausea, vomiting (may be bloody), diarrhea, lethargy, pallor, cyanosis, shock.
- Latent period (6-24 hours): apparent recovery.
- Later symptoms (12-48 hours): metabolic acidosis, shock, liver failure, coagulopathy, coma, death.
- Delayed effects (weeks): pyloric stenosis, liver cirrhosis.
What to Do:
In case of suspected overdose, especially in children, seek immediate emergency medical attention. Call 911 or Poison Control at 1-800-222-1222. Treatment may involve gastric lavage, whole bowel irrigation, and chelation therapy (e.g., deferoxamine) for iron toxicity.
Drug Interactions
Major Interactions
- Levothyroxine (iron can decrease absorption)
- Tetracyclines (iron can decrease absorption)
- Fluoroquinolones (iron can decrease absorption)
- Bisphosphonates (iron can decrease absorption)
- Mycophenolate mofetil (iron can decrease absorption)
- Warfarin (Vitamin K can antagonize effect; Vitamin E can potentiate effect at high doses)
Moderate Interactions
- Antacids (can decrease iron absorption)
- H2-receptor antagonists (can decrease iron absorption)
- Proton pump inhibitors (can decrease iron absorption)
- Cholestyramine (can decrease absorption of fat-soluble vitamins)
- Orlistat (can decrease absorption of fat-soluble vitamins)
- Phenytoin (folate and Vitamin D metabolism)
- Levodopa (Vitamin B6 can reduce efficacy at high doses)
- Thiazide diuretics (can increase calcium levels, caution with Vitamin D)
Minor Interactions
- Dietary fiber (can decrease iron absorption)
- Calcium supplements (can decrease iron absorption)
Monitoring
Baseline Monitoring
Rationale: To determine the need for supplementation and identify specific deficiencies.
Timing: Prior to initiating supplementation, especially if deficiency is suspected.
Rationale: To assess iron status.
Timing: Prior to initiating iron supplementation.
Routine Monitoring
Frequency: Ongoing, patient self-monitoring
Target: Absence of symptoms
Action Threshold: Report any new or worsening symptoms to healthcare provider.
Frequency: Periodically during follow-up visits
Target: Consistent daily intake
Action Threshold: Address non-adherence to ensure efficacy.
Frequency: Every 3-6 months, or as clinically indicated, if treating iron deficiency.
Target: Within normal limits or target range for deficiency correction.
Action Threshold: Adjust dose or investigate other causes if levels are not improving or become excessive.
Symptom Monitoring
- Gastrointestinal upset (nausea, constipation, diarrhea, dark stools - common with iron)
- Allergic reactions (rash, itching, swelling, severe dizziness, trouble breathing)
- Symptoms of iron overdose (severe stomach pain, vomiting, diarrhea, pale or bluish skin, lethargy, shock)
- Symptoms of fat-soluble vitamin toxicity (e.g., Vitamin A: dry skin, hair loss, liver damage; Vitamin D: hypercalcemia, nausea, vomiting, weakness, kidney stones)
Special Patient Groups
Pregnancy
Multivitamins with iron are often recommended during pregnancy (as prenatal vitamins) to meet increased nutritional demands and prevent deficiencies like iron-deficiency anemia and neural tube defects (due to folate). However, specific prenatal formulations are preferred as they contain appropriate levels of vitamins and minerals for pregnancy.
Trimester-Specific Risks:
Lactation
Multivitamins with iron are generally safe and often recommended during lactation to support maternal health and ensure adequate nutrient transfer to breast milk. Consult a healthcare provider for appropriate dosing.
Pediatric Use
Specific pediatric formulations (e.g., chewable tablets, liquids) are available and recommended for children. Adult formulations may contain excessive amounts of certain vitamins/minerals for children, especially iron, which can be toxic in overdose. Always keep iron-containing products out of reach of children.
Geriatric Use
Older adults may have specific nutritional needs (e.g., increased Vitamin D, B12, calcium) and may benefit from a multivitamin. However, they may also be on multiple medications, increasing the risk of drug-nutrient interactions. Renal and hepatic function should be considered, especially for fat-soluble vitamins.
Clinical Information
Clinical Pearls
- Iron is best absorbed on an empty stomach, but taking it with food can reduce gastrointestinal side effects (nausea, constipation). If stomach upset occurs, take with a small meal.
- Vitamin C enhances iron absorption; consider taking the multivitamin with orange juice or a Vitamin C-rich food.
- Be aware of potential interactions with other medications, especially thyroid hormones, antibiotics (tetracyclines, fluoroquinolones), and antacids. Separate administration times by at least 2 hours.
- Keep all iron-containing products out of reach of children, as iron overdose is a leading cause of poisoning fatalities in young children.
- This supplement is intended to complement, not replace, a balanced diet. It is not a substitute for healthy eating habits.
Alternative Therapies
- Dietary modifications to increase intake of iron-rich foods (e.g., red meat, fortified cereals, leafy greens) and vitamin-rich foods.
- Individual iron supplements (e.g., ferrous sulfate, ferrous gluconate) for specific iron deficiency anemia.
- Individual vitamin supplements (e.g., Vitamin D, B12, Folic Acid) for specific deficiencies.