Not Medical Advice
This article is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional. In a medical emergency, call 911 or your local emergency number immediately.
Not Medical Advice
This article is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional. In a medical emergency, call 911 or your local emergency number immediately.
TL;DR
A well-stocked OTC medicine kit handles 80% of common medical complaints without requiring a pharmacy or physician. The essential kit fits in one medium-sized plastic bin. This reference covers what to buy, realistic quantities for a family of four for 3 months, shelf life, and optimal storage conditions. Rotate on a schedule — consuming stock before expiration and replacing — rather than stockpiling past expiration unless necessary.
Stockpile Priority Tiers
Build the Priority 1 kit first. Add Priority 2 when P1 is complete. P3 items are specialized and optional.
Priority 1: Core Essentials
Pain Relief and Fever
| Medication | Uses | Adult Dose | Shelf Life | Notes |
|---|---|---|---|---|
| Acetaminophen (Tylenol) 500mg tablets | Pain, fever | 500-1000mg every 4-6 hrs, max 4000mg/day | 2-3 years from manufacture | Safe for most patients including pregnancy. Liver toxicity at high doses. |
| Ibuprofen (Advil, Motrin) 200mg tablets | Pain, fever, inflammation | 200-400mg every 4-6 hrs, max 1200mg OTC | 2-3 years | Anti-inflammatory advantage over acetaminophen. Avoid in kidney disease, ulcers, third trimester pregnancy. |
| Aspirin 325mg tablets | Pain, fever, heart attack emergency | 325mg every 4 hrs for pain; 325mg single dose for suspected MI | 2-3 years | Do not give to children under 16 (Reye's syndrome). Keep for heart attack emergency use. |
| Children's acetaminophen liquid | Pediatric fever and pain | Weight-based dosing (chart on bottle) | 2-3 years | Essential if children in household. |
Quantity for 4 people, 3 months: 1000 tablets acetaminophen, 500 tablets ibuprofen.
Gastrointestinal
| Medication | Uses | Adult Dose | Shelf Life | Notes |
|---|---|---|---|---|
| Loperamide (Imodium) 2mg capsules | Diarrhea | 4mg initial, then 2mg after each loose stool, max 16mg/day | 3-4 years | Does not treat the infection — reduces stool frequency and prevents dehydration. Stop if fever or bloody stool. |
| ORS (oral rehydration salts) packets | Dehydration from diarrhea/vomiting | Per packet instructions, typically 1 liter per loose stool | 3-5 years | Most important GI item. WHO formula or equivalent. Can make from scratch (see dehydration article). |
| Bismuth subsalicylate (Pepto-Bismol) 262mg tablets | Diarrhea, nausea, heartburn | 2 tablets every 30 min up to 8 doses/day | 2-3 years | Antimicrobial activity against H. pylori. Avoid in aspirin allergy. Contains salicylate — do not use in children. |
| Docusate sodium (Colace) 100mg | Constipation | 100mg once or twice daily | 2-3 years | Stool softener, not a stimulant. Safe for prolonged use. |
| Antacid tablets (calcium carbonate, Tums) | Acid reflux, heartburn, calcium supplement | 2-4 tablets per episode | 2-3 years | Double as calcium supplement. |
| Omeprazole (Prilosec OTC) 20mg | Persistent GERD, ulcer | 20mg once daily before first meal | 2 years | Proton pump inhibitor. More effective than antacids for persistent acid issues. |
Quantity for 4 people, 3 months: 200 loperamide tablets, 60 ORS packets, 400ml bismuth liquid or 200 tablets, 100 docusate, 500 antacid tablets.
Allergy and Respiratory
| Medication | Uses | Adult Dose | Shelf Life | Notes |
|---|---|---|---|---|
| Diphenhydramine (Benadryl) 25mg | Allergic reactions, sleep, motion sickness, itch | 25-50mg every 4-6 hrs | 3-4 years | Sedating. Fastest-acting antihistamine for acute allergic reaction. Essential for anaphylaxis kit as backup to epinephrine. |
| Cetirizine (Zyrtec) 10mg or loratadine 10mg | Daily allergy symptoms, chronic hives | 10mg once daily | 3-4 years | Non-sedating. Better for daily allergy management. |
| Pseudoephedrine (Sudafed) 30mg | Nasal congestion, sinus pressure | 30-60mg every 4-6 hrs | 3-4 years | Behind-the-counter in US. More effective than phenylephrine for nasal decongestant. Avoid in hypertension. |
| Guaifenesin (Mucinex) 600mg | Chest congestion, wet cough | 600-1200mg every 12 hrs | 2-3 years | Expectorant — thins mucus. Drink extra water for full effect. |
| Dextromethorphan (Robitussin DM) | Dry cough | 15-30mg every 4-6 hrs | 2-3 years | Cough suppressant. Not for productive/wet cough. |
| Saline nasal spray | Nasal irrigation, congestion | As needed | 2-3 years sealed, 45 days open | Also make at home with non-iodized salt. |
Quantity for 4 people, 3 months: 200 diphenhydramine tablets, 100 cetirizine tablets, 90 pseudoephedrine tablets, 50 guaifenesin tablets.
Wound Care
| Item | Uses | Shelf Life | Notes |
|---|---|---|---|
| Triple antibiotic ointment (Neosporin) | Minor wound infection prevention | 3-4 years | Apply thin layer to clean wounds. Does not treat established infection. |
| Hydrocortisone 1% cream | Allergic rash, eczema, insect bites | 3-4 years | Not for infected skin. Do not apply to face or skin folds for prolonged periods. |
| Povidone-iodine (Betadine) solution | Wound disinfection (surface only) | 2-3 years | Dilute to 0.5-1% for wound use (1:10 or 1:20 dilution of 10% solution). Full strength is cytotoxic. |
| Isopropyl alcohol 70% | Surface and equipment disinfection | 3+ years | 70% is more effective than 90% for disinfection. Not for wound irrigation. |
| Hydrogen peroxide 3% | Surface disinfection only | 1 year open, 2 years sealed | Do NOT use in wounds — destroys healing tissue. Use for surface disinfection only. |
Priority 2: Important Additions
Eye, Ear, and Skin
| Medication | Uses | Adult Dose | Shelf Life | Notes |
|---|---|---|---|---|
| Artificial tears | Dry eyes, eye irrigation | As needed | 2-3 years sealed, 30 days open | Preservative-free single-dose units last longer. |
| Oxymetazoline eye drops (Visine) | Eye redness | 1-2 drops up to 3 times daily, max 3 days | 2-3 years | Rebound redness with prolonged use. |
| Ear irrigation bulb syringe | Earwax removal, ear irrigation | — | Indefinite | Combine with warm water (body temperature). |
| Miconazole cream (Monistat) | Vaginal yeast infection, skin fungus | Per package directions | 2-3 years | Also works for tinea (ringworm, athlete's foot). |
| Clotrimazole 1% cream | Athlete's foot, ringworm, jock itch | Apply twice daily × 4 weeks | 2-3 years | Antifungal. |
| Zinc oxide cream | Diaper rash, moisture barrier | As needed | 3+ years | Excellent moisture barrier for wound periwound skin and diaper rash. |
Pain Management Advanced
| Medication | Uses | Dose | Shelf Life | Notes |
|---|---|---|---|---|
| Topical diclofenac (Voltaren) | Localized joint and muscle pain | Apply 2g 4x daily to affected area | 2-3 years | OTC NSAID gel with better localized penetration than oral NSAIDs for joint pain. |
| Capsaicin cream 0.025-0.075% | Chronic joint pain, nerve pain | Apply 3-4x daily | 2-3 years | Works by depleting substance P over weeks. Burning on application is expected and diminishes over days. |
| Lidocaine viscous or cream 4% | Topical anesthesia, mouth sores | Apply to area as needed | 2 years | Provides 20-30 minutes topical analgesia. |
| Clove oil (eugenol) | Dental pain | Apply small amount to affected tooth | 2-3 years | Natural local anesthetic for toothache. |
Rehydration and Electrolytes
| Item | Uses | Shelf Life | Notes |
|---|---|---|---|
| Electrolyte powder (Pedialyte, Liquid IV) | Dehydration, exercise, illness | 2-3 years | Multiple flavors improve compliance in children. |
| Potassium chloride (Morton Salt Substitute) | Electrolyte replacement | Indefinite if dry | Essentially pure potassium chloride. Useful for making homemade ORS. |
| Magnesium glycinate 400mg | Muscle cramps, constipation, sleep support | 2-3 years | High bioavailability form. |
Priority 3: Specialty Items
| Medication | Primary Use | Notes |
|---|---|---|
| Epinephrine auto-injector (EpiPen) | Anaphylaxis | Prescription required. Expires in 12-18 months but retains some activity past expiration — better than nothing for anaphylaxis. |
| Naloxone nasal spray (Narcan) | Opioid overdose | Prescription (but widely available without Rx in most US states). |
| Oral glucose gel | Hypoglycemia (diabetic) | For unconscious diabetics unable to swallow. |
| Ondansetron (Zofran) 4mg | Severe nausea/vomiting | Prescription. Dramatically superior to Pepto for preventing dehydration from vomiting illness. Worth discussing with physician for emergency kit. |
| Phenobarbital 30mg | Seizure emergency backup | Prescription. See seizure article. |
Storage Best Practices
Location: A dedicated, labeled bin or cabinet in a cool, dry interior room. Not the bathroom. Not a hot garage. Not a vehicle (temperature extremes destroy medications).
Temperature target: 59-77°F (15-25°C). The closer to 65°F, the better.
Light: Most medications degrade faster with UV exposure. Original bottles are typically amber-colored for a reason. Avoid window shelves.
Humidity: Dry. Silica gel packets inside storage bins absorb ambient moisture. Bathroom humidity is particularly damaging to medications over time.
Organization: Group by category (pain, GI, wound care). Label everything with purchase date. Oldest to the front.
Rotation Schedule
A rotation system means you always have fresh stock without waste.
Method (FIFO — First In, First Out):
- When buying new stock, put it behind existing stock
- Use from the front (oldest first)
- When using the last item in a category, add it to your shopping list immediately
- Annual review: check expiration dates on everything. Use items within 6 months of expiration.
When to replace before expiration:
- Liquid medications: use before or at expiration (liquid medications degrade faster than solid)
- Eye drops: replace at expiration
- Any medication with changed appearance, smell, or consistency
The practical test for budget-conscious stockpilers: Medications used regularly in daily life (antihistamines for seasonal allergies, pain relievers) rotate naturally through regular household use. Buy larger quantities on sale and let daily use keep the stock fresh.
Now find out if YOUR shelves cover this.
This guide tells you what a prepared family needs. The free calculator tells you what your family needs — by age, activity level, and timeframe.
Then track it: Salt & Prepper monitors your real inventory against the plan. $10/mo.
Sources
Frequently Asked Questions
Are expired medications safe to use?
Most medications retain a majority of their potency past the labeled expiration date when stored properly (cool, dry, dark, sealed). The FDA's SLEP program found 88% of tested medications were stable for at least 1 year past expiration, many for far longer. Exceptions that should not be used past expiration: liquid antibiotics, insulin, nitroglycerin, tetracycline (can become harmful), eye drops, and any medication that has visibly changed color, odor, or consistency.
How should medications be stored for maximum shelf life?
Cool (below 77°F/25°C), dry, dark, and sealed in original containers. The bathroom medicine cabinet is the worst location due to humidity and temperature fluctuations. A sealed plastic bin in a bedroom closet, basement shelf, or dedicated cabinet is ideal. Heat is the fastest degrader — avoid storage near ovens, hot water heaters, or in vehicles.
What is the minimum OTC stockpile for a family of four?
At minimum: pain reliever/fever reducer (acetaminophen + ibuprofen), oral rehydration salts, antidiarrheal (loperamide), antihistamine (diphenhydramine + cetirizine), antacid, topical antibiotic ointment, hydrocortisone cream, wound care supplies, and thermometer. Everything in the Priority 1 column of the table below, multiplied by estimated use per person.
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