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What could cause Confusion for a 87-year old woman?

This is a study of Coumadin, Cephalexin for a 87 year old female patient who has Atrial Fibrillation, Cellulitis. The study is created by eHealthMe based on 96 female patients aged 87 (±5) who take the drugs from FDA and social media.

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Information of the patient in this study:

Age: 81

Gender: female

Conditions: Atrial Fibrillation, Cellulitis

Drugs taking:
- Coumadin - 2.5MG (warfarin sodium)
- Cephalexin - EQ 500MG BASE (cephalexin)

Drug interactions have: confusion

On Jan, 23, 2014: 96 females aged 81 (±5) who reported to have interactions when taking Coumadin, Cephalexin are studied

Trend of Coumadin, Cephalexin's drug interactions, side effects and effectiveness reports (2510037)

Comparison with this patient's adverse outcomes:

InteractionNumber of reports
among females aged 81 (±5) who take the drugs
Confusion1 (1.04%)

(as an adverse outcome could be a symptom of a condition, additional studies are listed to help identify the cause: for example, regardless of which drug is taken, how many female HBP patients aged 50 (±5) have nausea)

SymptomNumber of reports
among females aged 81 (±5) who have the condition, regardless of which drug is taken
Confusion in Atrial Fibrillation42 (0.62%)
Confusion in Cellulitis3 (1.91%)

(as an adverse outcome could be a side effect of a drug, additional studies are listed to help identify the cause: for example, how many female Aspirin users aged 50 (±5) have nausea)

Side effectNumber of reports
among females aged 81 (±5) who take the drug
Confusion in Coumadin87 (1.17%)
Confusion in Cephalexin9 (2.82%)

Most common interactions experienced by females aged 81 (±5) in the use of Coumadin, Cephalexin:

InteractionNumber of reports
Atrial Fibrillation (fibrillation of the muscles of the atria of the heart)65
Hypertension (high blood pressure)43
Dyspnoea (difficult or laboured respiration)40
Economic Problem19
Back Pain19
Anhedonia (inability to experience pleasure from activities usually found enjoyable)18

Most common interactions experienced by females aged 81 (±5) in long term use of Coumadin, Cephalexin:

InteractionNumber of reports
Dyspnoea (difficult or laboured respiration)7
Hypertension (high blood pressure)7
Epistaxis (bleed from the nose)7
Chest Pain5
Lumbar Spinal Stenosis (a medical condition in which the spinal canal narrows and compresses the spinal cord and nerves at the level of the lumbar bone)5
Laryngospasm (an uncontrolled/involuntary muscular contraction of larynx)5
Dyspnoea Exertional (breathlessness or shortness of breath)5
Macular Degeneration (painless eye condition that leads to the gradual loss of central vision)5

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Related topic: Atrial Fibrillation, Cellulitis, Confusion

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Comments from related studies:

  • From this study (1 year ago):

  • Kirtida Patel on Oct, 25, 2011:

    I am taking Neupogen for the Neutrophilia during chemo therapy to increase WBCs and platelets. First two treatments increased the cell count. The third one did not because I think, it interacts with the Keflex, which doctor had prescribed me for the skin redness. I am on both Neupogen and Keflex at same time and I feel, my cell count is not increased because the Neupogen (made from E. Coli bacteria) is killed by Keflex (kills the cell walls of bacteria). Any one did any study about this?


    Goblue on Jan, 6, 2013:

    I am a pharmacist and I think I can help clear this up for you. Neupogen is a type of protein known as a "granulocyte stimulating factor" that is produced by E. coli bacteria. The gene for producing what is essentially Neupogen is inserted into the genome of a captive colony of E. coli. Therefore, the Neupogen is merely a harvested byproduct of the E. coli in the manufacturer's lab. There is no bacteria in your Neupogen and consequently you have no reason to be concerned about the Keflex inactivating the Neupogen. Hope this helps


Can you answer these questions (what is this?):

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NOTE: The study is based on active ingredients. Other drugs that have the same active ingredients are also considered.

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Related studies

- Cephalexin side effects
- Coumadin side effects


Related conditions

- Atrial fibrillation/flutter
- Cellulitis
- Confusion


Related drug side effects

- Confusion



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