Drug Interactions

I take many medications.  Medical professionals with different specialties prescribe medications for me.  Physicians in one specialty are rarely familiar enough with medications out of their specialty to know which drugs might cause interactions.  Therefore, it is up to you and your pharmacist to ensure your medications don't produce harmful drug interactions.

I've spent many weeks working with both a clinical pharmacologist and online research tools to figure out which drug interactions I must avoid.  I am not currently taking all of these drugs, instead this list represents the list of drugs I've researched because I have taken or thought I might take them in the future.

Some of these interactions are more dangerous than others.  If you have a condition similar to that described (e.g. congenital long QT interval + heart arrhythmia), then you should strongly consider avoiding that combination.

Do not stop taking your medications because of a drug interaction but do contact your physician and figure out alternative medications.

Standard Disclaimer: I am not a medical professional.  You should not base your treatment upon the following list.

With no further adieu, here's my list of drug interactions for the drugs I have taken, will take, or thought I might take.

Drug 1	Drug 2	Notes
Acetaminophen	Norco / Vicodin	Norco contains Acetaminophen keep daily dosage of Acetaminophen under 3000 mg
Aspirin	Ciprofloxicin	Rare tremors, seizures, hallucinations
Aspirin	Ibuprofen	Do not take together.
Aspirin	Methotrexate	Increases effects of methotrexate
Azathioprine	Methotrexate	Do not take together
Azathioprine	Prednisone	Increased risk of infection
Azathioprine	Remicade	Increased risk of infection
Azathioprine	Sulfasalazine	Increased risk of infection
Bentyl	Levsin ER	Do not take together.
Bentyl	Loperamide HCl	Amplifies Bentyl's and Imodium's effects
Bentyl	Meclizine	Can amplify effects
Centrum Multivitamin	Ciprofloxicin	Calcium in Centrum blocks the absorption of Ciprofloxicin
Ciprofloxicin	Aspirin	Rare tremors, seizures, hallucinations
Ciprofloxicin	Centrum Multivitamin	Calcium blocks absorption of Cipro
Ciprofloxicin	Ibuprofen	Rare tremors, seizures, hallucinations
Ciprofloxicin	Norco / Vicodin	Increases effects of hydrocodone
Diflucan	Fish oil	Blocks absorption of Diflucan
Diflucan	Norco / Vicodin	Increases effects of hydrocodone
Diflucan	Omeprazole	Potential heart arrhythmia
Diflucan	Phenergan	Potential heart arrhythmia
Diflucan	Zofran	Potential heart arrhythmia
Fish Oil	Diflucan	Fish oil blocks absorption of Diflucan
Flagyl	Does not interact with my drugs
Floucinolone Acetonide	Does not interact with my drugs
Ibuprofen	Ciprofloxicin	Rare tremors, seizures, hallucinations
Lansoprazole	Fish oil	Assume Lansoprazole blocks absorption of Fish oil
Lansoprazole	Vitamin D	Assume Lansoprazole blocks absorption Vit D
Levsin ER	Bentyl	Do not take together.
Levsin ER	Loperamide HCl	Can amplify effects
Levsin ER	Meclizine	Can amplify effects
Loperamide	Bentyl	Can amplify effects
Loperamide	Levsin ER	Can amplify effects
Loperamide	Meclizine	Can amplify effects
Meclizine	Bentyl	Can amplify effects
Meclizine	Loperamide HCl	Can amplify effects
Meclizine	Levsin ER	Can amplify effects
Melatonin	Does not interact with my drugs
Methotrexate	Acetaminophen	Possible liver damage
Methotrexate	Azathioprine	Do not take together
Methotrexate	Prednisone	Increased risk of infection
Methotrexate	Remicade	Increased risk of infection
Methotrexate	Sulfasalazine	Increased risk of infection
Niacin	Does not interact with my drugs
Norco	Acetaminophen	Norco contains Acetaminophen keep cumulative daily dosage of Acetaminophen under 3000 mg
Norco	Ciprofloxicin	Amplifies effects of hydrocodone
Norco	Diflucan	Amplifies effects of hydrocodone
Omeprazole	Diflucan	Can cause heart arrhythmia
Omeprazole	Fish oil	Blocks absorption of Fish Oil
Omeprazole	Vitamin D	Blocks absorption of Vitamin D
Phenergan	Bentyl	Amplifies effects of Bentyl & Phenergan
Phenergan	Diflucan	Can cause heart arrhythmia
Phenergan	Loperamide HCl	Amplifies anti-motility effects
Prednisone	Azathioprine	Increased risk of infection
Prednisone	Methotrexate	Increased risk of infection
Prednisone	Remicade	Increased risk of infection
Prednisone	Sulfasalazine	Increased risk of infection
Remicade	Azathioprine	Increased risk of infection
Remicade	Methotrexate	Increased risk of infection
Remicade	Prednisone	Increased risk of infection
Remicade	Sulfasalazine	Increased risk of infection
Sulfasalazine	Azathioprine	Increased risk of infection
Sulfasalazine	Methotrexate	Increased risk of infection
Sulfasalazine	Prednisone	Increased risk of infection
Sulfasalazine	Remicade	Increased risk of infection
Trilipix	Does not interact with my drugs
Vitamin B-12	Does not interact with my drugs
Vitamin C	Does not interact with my drugs
Vitamin D3	Diflucan	Vitamin D blocks absorption of Diflucan
Vitamin D3	Lansoprazole	Blocks absorption of Vitamin D
Vitamin D3	Omeprazole	Blocks absorption of Vitamin D
Zofran	Diflucan	Can cause heart arrhythmia

If you want to check your drug interactions, I suggest using sites like Drugs.com to check for your specific drug interaction.