Q-B Interactions
Showing entire list of all interactions, including brand names and combination drugs.
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Medications known to interact with Q-B
N
- Nacon (carbinoxamine / methscopolamine / pseudoephedrine)
- nadolol
- Nalda-Relief Pediatric (chlorpheniramine / phenylephrine / phenylpropanolamine / phenyltoloxamine)
- Naldecon (chlorpheniramine / phenylephrine / phenylpropanolamine / phenyltoloxamine)
- Naldecon-CX Adult (codeine / guaifenesin / phenylpropanolamine)
- Naldecon-DX Adult (dextromethorphan / guaifenesin / phenylpropanolamine)
- Naldecon-DX Childrens (dextromethorphan / guaifenesin / phenylpropanolamine)
- Naldecon-DX Pediatric (dextromethorphan / guaifenesin / phenylpropanolamine)
- Naldecon-EX Pediatric (guaifenesin / phenylpropanolamine)
- Naldelate (chlorpheniramine / phenylephrine / phenylpropanolamine / phenyltoloxamine)
- Naldelate DX Childrens (dextromethorphan / guaifenesin / phenylpropanolamine)
- Naldelate DX Pediatric (dextromethorphan / guaifenesin / phenylpropanolamine)
- NalDex (dexchlorpheniramine / phenylephrine)
- Nalex (guaifenesin / pseudoephedrine)
- Nalex A 12 (chlorpheniramine / phenylephrine / pyrilamine)
- Nalex CR (guaifenesin / pseudoephedrine)
- Nalex Expectorant (guaifenesin / hydrocodone / pseudoephedrine)
- Nalex Jr (guaifenesin / pseudoephedrine)
- Nalex-A (chlorpheniramine / phenylephrine / phenyltoloxamine)
- Nalex-A SR (chlorpheniramine / phenylephrine / phenyltoloxamine)
- Nalex-DH (hydrocodone / phenylephrine)
- Nalfed (brompheniramine / pseudoephedrine)
- Nalfed PD (brompheniramine / pseudoephedrine)
- Nalgest (chlorpheniramine / phenylephrine / phenylpropanolamine / phenyltoloxamine)
- Nalgestic Pediatric (chlorpheniramine / phenylephrine / phenylpropanolamine / phenyltoloxamine)
- nalidixic acid
- Nalphen (chlorpheniramine / phenylephrine / phenylpropanolamine / phenyltoloxamine)
- Nalphen DX Childrens (dextromethorphan / guaifenesin / phenylpropanolamine)
- Nalphen DX Pediatric (dextromethorphan / guaifenesin / phenylpropanolamine)
- Nalspan (chlorpheniramine / phenylephrine / phenylpropanolamine / phenyltoloxamine)
- naproxen / pseudoephedrine
- Nariz (guaifenesin / phenylephrine)
- Nariz HC (guaifenesin / hydrocodone / phenylephrine)
- Naropin (ropivacaine)
- Naropin Novaplus (ropivacaine)
- Naropin Polyamp (ropivacaine)
- Naropin SDV (ropivacaine)
- Nasabid (guaifenesin / pseudoephedrine)
- Nasabid SR (guaifenesin / pseudoephedrine)
- Nasahist LA (guaifenesin / phenylpropanolamine)
- Nasal Decongestant PE (phenylephrine)
- Nasatab LA (guaifenesin / pseudoephedrine)
- Nasatuss (chlorpheniramine / hydrocodone / phenylephrine)
- Nasex (guaifenesin / phenylephrine)
- Nasex-G (guaifenesin / phenylephrine)
- nasofed (pseudoephedrine)
- Nasohist Pediatric (chlorpheniramine / phenylephrine)
- Nasohist-DM (chlorpheniramine / dextromethorphan / phenylephrine)
- Nasohist-DM Pediatric (chlorpheniramine / dextromethorphan / phenylephrine)
- Nasop (phenylephrine)
- Nasop12 (phenylephrine)
- NasOpen (chlorcyclizine / pseudoephedrine)
- Nasopen PE (phenylephrine / thonzylamine)
- Nasotuss (chlorcyclizine / codeine / phenylephrine)
- Natazia (dienogest / estradiol)
- Nature-Throid (thyroid desiccated)
- Nayzilam (midazolam)
- Nazarin (guaifenesin / phenylephrine)
- Nazarin HC (guaifenesin / hydrocodone / phenylephrine)
- ND Clear (chlorpheniramine / pseudoephedrine)
- nebivolol
- nebivolol / valsartan
- Necon 0.5 / 35 (ethinyl estradiol / norethindrone)
- Necon 1 / 35 (ethinyl estradiol / norethindrone)
- Necon 1 / 50 (mestranol / norethindrone)
- Necon 10 / 11 (ethinyl estradiol / norethindrone)
- Necon 7 / 7 / 7 (ethinyl estradiol / norethindrone)
- nefazodone
- NegGram (nalidixic acid)
- nelfinavir
- Nelova 0.5 / 35 (ethinyl estradiol / norethindrone)
- Nelova 1 / 35 (ethinyl estradiol / norethindrone)
- Nelova 1 / 50 M (mestranol / norethindrone)
- Nelova 10 / 11 (ethinyl estradiol / norethindrone)
- Nembutal (pentobarbital)
- Nembutal Sodium (pentobarbital)
- Neo AC (codeine / pseudoephedrine / pyrilamine)
- Neo DM Drops (chlorpheniramine / dextromethorphan / phenylephrine)
- Neo DM Syrup (brompheniramine / dextromethorphan / pseudoephedrine)
- Neo HC (chlorpheniramine / hydrocodone / phenylephrine)
- Neo-Synephrine (phenylephrine)
- Neocitran Non Drowsy Extra Strength Cold and Flu (acetaminophen / dextromethorphan / phenylephrine)
- NeoTuss Plus (chlorpheniramine / dextromethorphan / phenylephrine)
- Nephron (racepinephrine)
- Nescon-PD (guaifenesin / phenylephrine)
- Neutrahist Drops (chlorpheniramine / pseudoephedrine)
- Neutrahist PDX Drops (chlorpheniramine / dextromethorphan / pseudoephedrine)
- New Day (levonorgestrel)
- Nexafed Nasal Decongestant (pseudoephedrine)
- Nexafed Sinus Pressure + Pain (acetaminophen / pseudoephedrine)
- Nexesta Fe (ethinyl estradiol / norethindrone)
- Nexium (esomeprazole)
- Nexium 24HR (esomeprazole)
- Nexium IV (esomeprazole)
- Nexphen PD (guaifenesin / phenylephrine)
- Nexplanon (etonogestrel)
- Next Choice One Dose (levonorgestrel)
- Nexterone (amiodarone)
- Nextstellis (drospirenone / estetrol)
- NicAzel Doxy (doxycycline)
- Nifediac CC (nifedipine)
- Nifedical XL (nifedipine)
- nifedipine
- Night Time Severe Cold and Cough (acetaminophen / diphenhydramine / phenylephrine)
- Nikki (drospirenone / ethinyl estradiol)
- Nimbex (cisatracurium)
- Ninjacof-D (chlophedianol / pseudoephedrine / pyrilamine)
- niraparib
- Niravam (alprazolam)
- nirmatrelvir / ritonavir
- nisoldipine
- Niva Thyroid (thyroid desiccated)
- Niva-Hist DM (brompheniramine / dextromethorphan / phenylephrine)
- Nivanex DMX (dextromethorphan / guaifenesin / phenylephrine)
- nizatidine
- Nizoral (ketoconazole)
- Nodolor (acetaminophen / dichloralphenazone / isometheptene mucate)
- NoDoz (caffeine)
- NoDoz Maximum Strength (caffeine)
- NoHist (chlorpheniramine / phenylephrine)
- NoHist DM (chlorpheniramine / dextromethorphan / phenylephrine)
- NoHist LQ (chlorpheniramine / phenylephrine)
- Nohist PE (chlorpheniramine / methscopolamine / phenylephrine)
- Nohist Plus (chlorpheniramine / methscopolamine / phenylephrine)
- Nohist Plus Jr (chlorpheniramine / methscopolamine / phenylephrine)
- NoHist-A (chlorpheniramine / phenylephrine / phenyltoloxamine)
- Nohist-DMX (chlorpheniramine / dextromethorphan / phenylephrine)
- NoHist-PDX (chlorpheniramine / dextromethorphan / phenylephrine)
- Nolamine (chlorpheniramine / phenindamine / phenylpropanolamine)
- Nomuc-PE (guaifenesin / pseudoephedrine)
- Non-Drowsy Super Strength Contac Complete (acetaminophen / dextromethorphan / pseudoephedrine)
- Non-Pseudo Cold Relief (acetaminophen / dextromethorphan / guaifenesin / phenylephrine)
- Non-Pseudo Sinus Pain & Pressure (acetaminophen / phenylephrine)
- Nonbac (acetaminophen / butalbital / caffeine)
- Nor-QD (norethindrone)
- Nora-Be (norethindrone)
- Norcuron (vecuronium)
- Nordette (ethinyl estradiol / levonorgestrel)
- Nordette-21 (ethinyl estradiol / levonorgestrel)
- Nordette-28 (ethinyl estradiol / levonorgestrel)
- Norel (guaifenesin / phenylephrine / phenylpropanolamine)
- Norel AD (acetaminophen / chlorpheniramine / phenylephrine)
- Norel CS (chlorpheniramine / dextromethorphan / phenylephrine)
- Norel DM (chlorpheniramine / dextromethorphan / phenylephrine)
- Norel EX (guaifenesin / phenylephrine)
- Norel LA (carbinoxamine / phenylephrine)
- Norel SD (chlorpheniramine / methscopolamine / phenylephrine)
- Norel SR (acetaminophen / chlorpheniramine / phenylephrine / phenyltoloxamine)
- norepinephrine
- Norethin 1 / 35 E (ethinyl estradiol / norethindrone)
- Norethin 1 / 50 M (mestranol / norethindrone)
- norethindrone
- norfloxacin
- Norgesic (aspirin / caffeine / orphenadrine)
- Norgesic Forte (aspirin / caffeine / orphenadrine)
- norgestrel
- Norinyl 1+35 (ethinyl estradiol / norethindrone)
- Norinyl 1+50 (mestranol / norethindrone)
- Norisodrine with Calcium Iodine (anhydrous calcium iodide / isoproterenol)
- Norit (charcoal)
- Norlyda (norethindrone)
- Norlyroc (norethindrone)
- Normodyne (labetalol)
- Noroxin (norfloxacin)
- Norpace (disopyramide)
- Norpace CR (disopyramide)
- Norplant System (levonorgestrel)
- Northyx (methimazole)
- Nortrel 0.5 / 35 (ethinyl estradiol / norethindrone)
- Nortrel 1 / 35 (ethinyl estradiol / norethindrone)
- Nortrel 7 / 7 / 7 (ethinyl estradiol / norethindrone)
- Nortuss-DE (dextromethorphan / guaifenesin / phenylephrine)
- Norvir (ritonavir)
- Notuss (chlorpheniramine / hydrocodone / pseudoephedrine)
- Notuss PD (dexchlorpheniramine / hydrocodone / phenylephrine)
- Notuss-DC (codeine / pseudoephedrine)
- Notuss-Forte (chlorpheniramine / hydrocodone / pseudoephedrine)
- Notuss-NXD (chlorcyclizine / codeine / pseudoephedrine)
- Notuss-PE (codeine / phenylephrine)
- Novadyne DH (chlorpheniramine / codeine / pseudoephedrine)
- Novadyne Expectorant (codeine / guaifenesin / pseudoephedrine)
- Novafed (pseudoephedrine)
- Novafed A (chlorpheniramine / pseudoephedrine)
- Novagest with Codeine (codeine / guaifenesin / pseudoephedrine)
- Novahistine (chlorpheniramine / phenylephrine)
- Novahistine DH (chlorpheniramine / dihydrocodeine / phenylephrine)
- Novahistine DM Expectorant with Decongestant (dextromethorphan / guaifenesin / pseudoephedrine)
- Novahistine DMX (dextromethorphan / guaifenesin / pseudoephedrine)
- Novahistine Elixir (chlorpheniramine / phenylephrine)
- Novahistine Expectorant (codeine / guaifenesin / pseudoephedrine)
- Novothyrox (levothyroxine)
- NP Thyroid (thyroid desiccated)
- Nu-COPD (guaifenesin / phenylephrine)
- Nuco-Tuss Expectorant (codeine / guaifenesin / pseudoephedrine)
- Nuco-Tuss Pediatric Expectorant (codeine / guaifenesin / pseudoephedrine)
- Nucochem (codeine / guaifenesin / pseudoephedrine)
- Nucochem Expectorant (codeine / guaifenesin / pseudoephedrine)
- Nucochem Pediatric Expectorant (codeine / guaifenesin / pseudoephedrine)
- Nucodine (codeine / pseudoephedrine)
- Nucodine Expectorant (codeine / guaifenesin / pseudoephedrine)
- Nucodine Pediatric (codeine / guaifenesin / pseudoephedrine)
- Nucofed (codeine / pseudoephedrine)
- Nucofed Expectorant (codeine / guaifenesin / pseudoephedrine)
- Nucofed Pediatric Expectorant (codeine / guaifenesin / pseudoephedrine)
- Nuhist (chlorpheniramine / phenylephrine)
- NuLYTELY (polyethylene glycol 3350 with electrolytes)
- Numbrino (cocaine nasal)
- Nuromax (doxacurium)
- NutriDox Convenience Kit (doxycycline / omega-3 polyunsaturated fatty acids)
- NuvaRing (ethinyl estradiol / etonogestrel)
- Nuvelle TS Phase I (estradiol)
- Nuvigil (armodafinil)
- Ny-Tannic (chlorpheniramine / phenylephrine)
- NyCair (acetaminophen / dextromethorphan / doxylamine / pseudoephedrine)
- Nydrazid (isoniazid)
- Nylia 1 / 35 (ethinyl estradiol / norethindrone)
- Nylia 7 / 7 / 7 (ethinyl estradiol / norethindrone)
- Nymyo (ethinyl estradiol / norgestimate)
More about Q-B (guaifenesin / theophylline)
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.