Avonex Interactions
Showing entire list of all interactions, including brand names and combination drugs.
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Medications known to interact with Avonex
S
- Saleto (acetaminophen / aspirin / caffeine / salicylamide)
- Saleto-200 (ibuprofen)
- Saleto-400 (ibuprofen)
- Saleto-600 (ibuprofen)
- Saleto-800 (ibuprofen)
- Saleto-D (acetaminophen / caffeine / phenylpropanolamine / salicylamide)
- Samsca (tolvaptan)
- Sandimmune (cyclosporine)
- Saphnelo (anifrolumab)
- sarilumab
- satralizumab
- Savella (milnacipran)
- Savings Paracetamol (acetaminophen)
- Scot-Tussin Original (acetaminophen / pheniramine / phenylephrine)
- Sedapap (acetaminophen / butalbital)
- Seglentis (celecoxib / tramadol)
- selpercatinib
- Selzentry (maraviroc)
- Septra (sulfamethoxazole / trimethoprim)
- Septra DS (sulfamethoxazole / trimethoprim)
- Septra IV (sulfamethoxazole / trimethoprim)
- Serzone (nefazodone)
- Sesquient (fosphenytoin)
- Setamol (acetaminophen)
- Severe Allergy and Sinus Headache (acetaminophen / diphenhydramine / phenylephrine)
- Severe Cold Multi-Symptom (acetaminophen / dextromethorphan / pseudoephedrine)
- Sigma Pain Relief (acetaminophen)
- Sigma Paracetamol (acetaminophen)
- Signature Range Paracetamol (acetaminophen)
- Signifor (pasireotide)
- Signifor LAR (pasireotide)
- Silapap Childrens (acetaminophen)
- Silapap Infants (acetaminophen)
- Simcor (niacin / simvastatin)
- Simplet (acetaminophen / chlorpheniramine / pseudoephedrine)
- simvastatin
- simvastatin / sitagliptin
- Sinadrin Plus (acetaminophen / dexbrompheniramine / pseudoephedrine)
- Sinapils (acetaminophen / caffeine / chlorpheniramine / phenylpropanolamine)
- Sinarest (acetaminophen / chlorpheniramine / pseudoephedrine)
- Sinarest Extra Strength (acetaminophen / chlorpheniramine / pseudoephedrine)
- Sinarest Sinus (acetaminophen / pseudoephedrine)
- Sine-Aid IB (ibuprofen / pseudoephedrine)
- Sine-Off Maximum Strength (acetaminophen / pseudoephedrine)
- Sine-Off Sinus / Cold (acetaminophen / chlorpheniramine / phenylephrine)
- Singlet (acetaminophen / chlorpheniramine / pseudoephedrine)
- Sinulin (acetaminophen / chlorpheniramine / phenylpropanolamine)
- Sinus & Cold D (naproxen / pseudoephedrine)
- Sinus Congestion & Pain (acetaminophen / guaifenesin / phenylephrine)
- Sinus Congestion and Pain Daytime Cool Ice (acetaminophen / phenylephrine)
- Sinus Maximum Strength (acetaminophen / pseudoephedrine)
- Sinus Relief (acetaminophen / pseudoephedrine)
- Sinutab Ex-Strength (acetaminophen / chlorpheniramine / pseudoephedrine)
- Sinutab Maximum Strength (acetaminophen / pseudoephedrine)
- Sinutab Maximum Strength Caplets (acetaminophen / chlorpheniramine / pseudoephedrine)
- Sinutab Maximum Strength Non Drowsy (acetaminophen / pseudoephedrine)
- Sinutab Regular Strength (acetaminophen / pseudoephedrine)
- Sinutab Sinus Maximum Strength (acetaminophen / phenylephrine)
- siponimod
- Sirturo (bedaquiline)
- Skelaxin (metaxalone)
- Slo-Bid Gyrocaps (theophylline)
- Slo-Niacin (niacin)
- Slo-Phyllin (theophylline)
- Slo-Phyllin 125 (theophylline)
- Slo-Phyllin 250 (theophylline)
- Slo-Phyllin 80 (theophylline)
- Slo-Phyllin GG (guaifenesin / theophylline)
- SMZ-TMP DS (sulfamethoxazole / trimethoprim)
- sodium biphosphate / sodium phosphate
- Solaraze (diclofenac topical)
- Solodyn (minocycline)
- Soltamox (tamoxifen)
- Solu-Phyllin GG (guaifenesin / theophylline)
- Sominex Pain Relief Formula (acetaminophen / diphenhydramine)
- sorafenib
- Soriatane (acitretin)
- Soriatane CK (acitretin)
- sotorasib
- Sotret (isotretinoin)
- Sotyktu (deucravacitinib)
- Soul Pattinson Childrens Paracetamol Elixir (acetaminophen)
- Soul Pattinson Colour Free Paracetamol 1-5 Years (acetaminophen)
- Soul Pattinson Colour Free Paracetamol Drops (acetaminophen)
- Soul Pattinson Colourfree Childrens Paracetamol (acetaminophen)
- Soul Pattinson Paracetamol (acetaminophen)
- Soul Pattinson Paracetamol Clear Effervescent (acetaminophen)
- sparsentan
- Sporanox (itraconazole)
- Sprix (ketorolac)
- St. Joseph Aspirin-Free (acetaminophen)
- Staflex (acetaminophen / brompheniramine)
- Stagesic (acetaminophen / hydrocodone)
- stanozolol
- stavudine
- Stavzor (valproic acid)
- Stivarga (regorafenib)
- Strattera (atomoxetine)
- Striant (testosterone)
- Stribild (cobicistat / elvitegravir / emtricitabine / tenofovir)
- Strifon Fort (chlorzoxazone)
- Suclear (polyethylene glycol 3350 with electrolytes)
- Sudafed 12 Hour Pressure+Pain (naproxen / pseudoephedrine)
- Sudafed PE Cold & Cough (acetaminophen / dextromethorphan / guaifenesin / phenylephrine)
- Sudafed PE Head Congestion + Flu Severe (acetaminophen / dextromethorphan / guaifenesin / phenylephrine)
- Sudafed PE Head Congestion + Mucus (acetaminophen / guaifenesin / phenylephrine)
- Sudafed PE Head Congestion + Pain (ibuprofen / phenylephrine)
- Sudafed PE Nighttime Cold (acetaminophen / diphenhydramine / phenylephrine)
- Sudafed PE Pressure+Pain+Cold (acetaminophen / dextromethorphan / guaifenesin / phenylephrine)
- Sudafed PE Pressure+Pain+Cough (acetaminophen / dextromethorphan / phenylephrine)
- Sudafed PE Pressure+Pain+Mucus (acetaminophen / guaifenesin / phenylephrine)
- Sudafed PE Severe Cold (acetaminophen / diphenhydramine / phenylephrine)
- Sudafed PE Sinus Pressure + Pain (acetaminophen / phenylephrine)
- Sudafed PE Triple Action (acetaminophen / guaifenesin / phenylephrine)
- Sudafed Sinus Nighttime Plus Pain (acetaminophen / diphenhydramine / pseudoephedrine)
- Sudafed Triple Action (acetaminophen / guaifenesin / pseudoephedrine)
- Sudogest Sinus Maximum Strength (acetaminophen / pseudoephedrine)
- Suflave (polyethylene glycol 3350 with electrolytes)
- sulfadiazine
- sulfadoxine
- sulfamethizole
- sulfamethoxazole
- sulfamethoxazole / trimethoprim
- sulfasalazine
- Sulfatrim (sulfamethoxazole / trimethoprim)
- Sulfatrim Pediatric (sulfamethoxazole / trimethoprim)
- Sulfazine (sulfasalazine)
- Sulfimycin (erythromycin / sulfisoxazole)
- sulfisoxazole
- sulindac
- sunitinib
- Supac (acetaminophen / aspirin / caffeine)
- Super Strength Sinadrin (acetaminophen / chlorpheniramine / phenylephrine)
- Suphedrin Plus (acetaminophen / pseudoephedrine)
- Suphedrin Sinus (acetaminophen / pseudoephedrine)
- Suphedrine PE Cold & Cough (acetaminophen / dextromethorphan / guaifenesin / phenylephrine)
- Suphedrine PE Severe Cold (acetaminophen / diphenhydramine / phenylephrine)
- Suphedrine PE Sinus Headache (acetaminophen / phenylephrine)
- Suprep Bowel Prep Kit (magnesium sulfate / potassium sulfate / sodium sulfate)
- Sure Result DSS Premium Pak (capsaicin / diclofenac topical)
- Sustiva (efavirenz)
- Sutab (magnesium sulfate / potassium chloride / sodium sulfate)
- Sutent (sunitinib)
- Sylatron (peginterferon alfa-2b)
- Symdeko (ivacaftor / tezacaftor)
- Symfi (efavirenz / lamivudine / tenofovir)
- Symfi Lo (efavirenz / lamivudine / tenofovir)
- Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide)
- Syncol (acetaminophen / pamabrom / pyrilamine)
- Syntest DS (esterified estrogens / methyltestosterone)
- Syntest HS (esterified estrogens / methyltestosterone)
More about Avonex (interferon beta-1a)
- Avonex consumer information
- Check interactions
- Compare alternatives
- Reviews (45)
- Side effects
- Dosage information
- Patient tips
- During pregnancy
- Drug class: interferons
Related treatment guides
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.