Home Symptoms Low immunity

Low immunity — what to take?

Low immunity = increased susceptibility to infections. Causes: chronic stress, lack of sleep, nutritional deficiencies, chronic diseases, immunosuppressive drugs, age.

6 recommended OTC drugs
4,387 pharmacies available

OTC — no prescription

What you can take for low immunity

Informativ. Nu înlocuiește sfatul medicului. Consultă medicul sau farmacistul înainte de a lua orice medicament.

Signs

Frequent respiratory infections (over 4-6/year in adults), wounds that heal poorly, chronic fatigue, recurrent urinary/skin infections, autoimmune diseases.

Supplements with evidence

Vitamin D3 — very common deficiency. 1000-4000 IU/day. Maintain 25-OH-D above 30 ng/ml.

Vitamin C 500-1000 mg/day — does not prevent colds, but shortens duration. Useful in cold season.

Zinc 15-30 mg/day — frequent deficiency in vegetarians and elderly. For acute cold — 75 mg/day in first 24h.

Multi-strain probiotics — 70% of immunity is in the gut.

Beta-glucans (medicinal mushrooms — reishi, shiitake, lion's mane).

Echinacea — modest evidence in prevention.

Bovine colostrum, lactoferrin, Quercetin.

Most important measures

  • Sleep 7-9h/night — essential for immunity.
  • Regular moderate exercise (not excess — opposite effect).
  • Varied diet rich in fruits, vegetables, proteins.
  • Stress management.
  • Up-to-date vaccinations.
  • Frequent hand washing.
  • Don't smoke, limit alcohol.

Recommended investigations for recurrent infections

Complete blood count, immunoglobulins (IgG, IgA, IgM, IgE), vitamin D, ferritin, B12, TSH, glucose, HIV (if indicated), nasopharyngeal smear for Staph aureus in recurrent skin infections.

Medical disclaimer: the information in this guide is for informational purposes only and does not replace medical or pharmacist advice. For diagnosis and treatment consult a healthcare professional.

Nights, weekends, holidays

24/7 pharmacies for low immunity

Low immunity doesn't wait for office hours. If you need a medicine at 2 AM or on a weekend, open the map with the 24/7 filter on and find the nearest on-call pharmacy. Major cities have several round-the-clock pharmacies — the per-city pages below list them all, with address, phone and verified opening hours.

Call ahead before you leave, especially at night — on-call schedules can change and stock for some prescription items may be limited between deliveries.

Search the pharmacy

Medicine categories for low immunity

Beyond the OTC products listed above, you can also browse whole medicine and supplement categories, with prices compared across Dr. Max, Catena, Tei, HelpNet and the rest of our network. Category pages are in Romanian — the comparator works the same way for you.

Step by step

How to find a pharmacy fast for low immunity

Open the interactive map and grant location permission — you'll immediately see pharmacies sorted by distance, each with its opening hours and a one-tap route in Google Maps. If it's night or a weekend, switch on the 24/7 filter to keep only the on-call ones. For low immunity most of the listed remedies are over the counter, so you can walk in without a prescription, but check stock and prices first to avoid wasted trips.

If you have a preferred active ingredient (paracetamol, ibuprofen, etc.), search it in the comparator before you leave — you'll see which chain has it cheapest near you and whether it's in stock. For chronic prescriptions, save your favourite pharmacy in the app and turn on hours notifications — it saves unnecessary trips, especially when treatment for low immunity runs over weeks.

When to see a doctor

If any of these signs appear, consult a doctor — OTC treatment is not enough:

  • Over 6 bacterial infections/year in adult
  • Over 2 pneumonias or sepsis in 12 months
  • Unusual infections or recurrent at same location
  • Weight loss and infections
  • History of familial immunodeficiency

Frequently asked

Common questions

What supplements do I take for immunity?
Vitamin D3 (common deficiency), zinc, probiotics, C in cold season. Don't rely solely on supplements — sleep, diet, movement are the pillars.
Can immunity be increased?
More accurately: optimized, balanced. The immune system is complex, doesn't strengthen linearly. Essential factors: sleep, nutrition, stress.
Does echinacea really work?
Modest evidence for prevention (slight reduction in cold frequency). Not a curative treatment. Extract quality matters.
From how many colds is immunity low?
In adults — over 4-6 colds per year. In small children, 6-10 colds/year may be normal. Attention to recurrent bacterial infections, not viral.

See also

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