Sildenafil Interactions
Showing entire list of all interactions, including brand names and combination drugs.
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Medications known to interact with sildenafil
N
- nadolol
- nafcillin
- nalbuphine
- Naldecon-CX Adult (codeine / guaifenesin / phenylpropanolamine)
- Nalex AC (brompheniramine / codeine)
- Nalex Expectorant (guaifenesin / hydrocodone / pseudoephedrine)
- Nalex-DH (hydrocodone / phenylephrine)
- Nallpen (nafcillin)
- Nalocet (acetaminophen / oxycodone)
- naloxone / oxycodone
- naloxone / pentazocine
- naltrexone / oxycodone
- Naqua (trichlormethiazide)
- Narcof (guaifenesin / hydrocodone)
- Nardil (phenelzine)
- Nariz HC (guaifenesin / hydrocodone / phenylephrine)
- Narvox (acetaminophen / oxycodone)
- Nasatuss (chlorpheniramine / hydrocodone / phenylephrine)
- Nasotuss (chlorcyclizine / codeine / phenylephrine)
- Natrecor (nesiritide)
- Naturetin (bendroflumethiazide)
- Naturetin-10 (bendroflumethiazide)
- Naturetin-5 (bendroflumethiazide)
- Nazarin HC (guaifenesin / hydrocodone / phenylephrine)
- nebivolol
- nebivolol / valsartan
- nefazodone
- nelfinavir
- Nembutal (pentobarbital)
- Nembutal Sodium (pentobarbital)
- Neo AC (codeine / pseudoephedrine / pyrilamine)
- Neo HC (chlorpheniramine / hydrocodone / phenylephrine)
- Neoral (cyclosporine)
- Neptazane (methazolamide)
- nesiritide
- netupitant / palonosetron
- nevirapine
- Nexiclon XR (clonidine)
- Nexterone (amiodarone)
- Ngenla (somatrogon)
- nicardipine
- Nifediac CC (nifedipine)
- Nifedical XL (nifedipine)
- nifedipine
- nilotinib
- nimodipine
- Nimotop (nimodipine)
- Nipride RTU (nitroprusside)
- nirmatrelvir / ritonavir
- nirogacestat
- nisoldipine
- Nithiodote (sodium nitrite/sodium thiosulfate)
- Nitrek (nitroglycerin)
- nitric oxide
- Nitro TD Patch-A (nitroglycerin)
- Nitro-Bid (nitroglycerin)
- Nitro-Bid IV (nitroglycerin)
- Nitro-Dur (nitroglycerin)
- Nitro-Par (nitroglycerin)
- Nitro-Time (nitroglycerin)
- Nitrocot (nitroglycerin)
- Nitrodisc (nitroglycerin)
- Nitrogard (nitroglycerin)
- nitroglycerin
- Nitroglyn E-R (nitroglycerin)
- Nitrol (nitroglycerin)
- Nitrol Appli-Kit (nitroglycerin)
- Nitrolingual Pumpspray (nitroglycerin)
- NitroMist (nitroglycerin)
- Nitrong (nitroglycerin)
- Nitropress (nitroprusside)
- nitroprusside
- NitroQuick (nitroglycerin)
- Nitrostat (nitroglycerin)
- Nitrostat Tablets (nitroglycerin)
- Nizoral (ketoconazole)
- Nonbac (acetaminophen / butalbital / caffeine)
- Norco (acetaminophen / hydrocodone)
- Norditropin (somatropin)
- Norditropin FlexPro (somatropin)
- Norditropin Nordiflex (somatropin)
- Norliqva (amlodipine)
- Normodyne (labetalol)
- Norvasc (amlodipine)
- Norvir (ritonavir)
- Notuss (chlorpheniramine / hydrocodone / pseudoephedrine)
- Notuss PD (dexchlorpheniramine / hydrocodone / phenylephrine)
- Notuss-AC (chlorpheniramine / codeine)
- Notuss-DC (codeine / pseudoephedrine)
- Notuss-Forte (chlorpheniramine / hydrocodone / pseudoephedrine)
- Notuss-NX (chlorcyclizine / codeine)
- Notuss-NXD (chlorcyclizine / codeine / pseudoephedrine)
- Notuss-PE (codeine / phenylephrine)
- Novadyne DH (chlorpheniramine / codeine / pseudoephedrine)
- Novadyne Expectorant (codeine / guaifenesin / pseudoephedrine)
- Novagest with Codeine (codeine / guaifenesin / pseudoephedrine)
- Novahistine DH (chlorpheniramine / dihydrocodeine / phenylephrine)
- Novahistine Expectorant (codeine / guaifenesin / pseudoephedrine)
- Novasus (chlorpheniramine / hydrocodone)
- Noxivent (nitric oxide)
- Nubain (nalbuphine)
- 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)
- Numorphan (oxymorphone)
- Nutropin (somatropin)
- Nutropin AQ (somatropin)
- Nutropin Depot (somatropin)
- Nuvigil (armodafinil)
- Nydrazid (isoniazid)
- Nymalize (nimodipine)
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- Drug class: agents for pulmonary hypertension
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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.