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DRUG INTERACTION and Cephalexin

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DRUG INTERACTION Symptoms and Causes

Most of the time, medicines make our lives better. They reduce aches and pains, fight infections, and control problems such as high blood pressure or diabetes. But medicines can also cause unwanted reactions.

One problem is interactions, which may occur between

  • Two drugs, such as aspirin and blood thinners
  • Drugs and food, such as statins and grapefruit
  • Drugs and supplements, such as ginkgo and blood thinners
  • Drugs and diseases, such as aspirin and peptic ulcers

Interactions can change the actions of one or both drugs. The drugs might not work, or you could get side effects.

Side effects are unwanted effects caused by the drugs. Most are mild, such as a stomach aches or drowsiness, and go away after you stop taking the drug. Others can be more serious.

Drug allergies are another type of reaction. They can be mild or life-threatening. Skin reactions, such as hives and rashes, are the most common type. Anaphylaxis, a serious allergic reaction, is more rare.

When you start a new prescription or over-the-counter medication, make sure you understand how to take it correctly. Know which other medications and foods you need to avoid. Ask your health care provider or pharmacist if you have questions.

Check out the latest treatments for DRUG INTERACTION

DRUG INTERACTION treatment research studies

Cephalexin clinical trials, surveys and public health registries


Find Drug Side Effect reports



Cephalexin Side Effects

Rash (54)
Pruritus (52)
Diarrhoea (49)
Urticaria (45)
Pain (43)
Vomiting (43)
Dyspnoea (40)
Nausea (40)
Dizziness (34)
Pyrexia (28)
Headache (28)
Abdominal Pain (27)
Deep Vein Thrombosis (26)
Abdominal Pain Upper (23)
International Normalised Ratio Increased (23)
Malaise (22)
Renal Failure Acute (20)
Anxiety (19)
Fatigue (19)
Anaphylactic Reaction (18)
Injury (16)
Rash Pruritic (15)
Chills (15)
Dehydration (14)
Blister (14)
Hypersensitivity (14)
Haemoglobin Decreased (14)
Pulmonary Embolism (14)
Oedema Peripheral (13)
Hypovolaemic Shock (13)
Arthralgia (13)
Angioedema (12)
Asthenia (12)
Gallbladder Disorder (12)
Muscle Spasms (12)
Depression (12)
Erythema (11)
Condition Aggravated (11)
Haematuria (11)
Skin Exfoliation (11)
Liver Function Test Abnormal (11)
Somnolence (11)
Myalgia (10)
Chest Pain (10)
Pain In Extremity (10)
Swelling Face (10)
Urinary Tract Infection (10)
Tremor (10)
Swelling (10)
Weight Decreased (9)

➢ More


Common Meds

Abilify (10132)
Adderall (1304)
Amlodipine (6664)
Amoxicillin (4387)
Benadryl (1568)
Celebrex (12876 )
Celexa (1342)
Cialis (2975)
Cipro (8580)
Citalopram (7792)
Crestor (18839)
Cymbalta (14373)
Doxycycline (1757)
Effexor (7289)
Flexeril (435)
Flomax (2177)
Fluoxetine (4261)
Gabapentin (4593)
Hydrocodone (2469)
Ibuprofen (8222)
Lantus (10968)
Lexapro (3499)
Lipitor (17769)
Lisinopril (8919)
Lyrica (27148)
Medrol (650)
Mirena (41254)
Mobic (957)
Morphine (5356)
Naproxen (538)
Neurontin (6501)
Oxycodone (4438)
Pradaxa (13372)
Prednisone (5926)
Prilosec (2631)
Prozac (1954)
Seroquel (27216)
Simvastatin (8348)
Synthroid (4452)
Tamiflu (5585)
Topamax (3748)
Tramadol (5054)
Trazodone (1458)
Viagra (5394)
Vicodin (1153)
Wellbutrin (6324)
Xanax (2847)
Zocor (5718)
Zoloft(6792)
Zyrtec(1669)

Recent Reviews

After 5 doses - experienced extreme blood shot eyes and a tender head to the touch. Symptoms totally gone after a day&1/2. Wow, didn't see that in the small print.

After being put on this for Bladder Infection..I experience lip swelling about 3 days in. It was not terrible but uncomfortable. I had NO other signs of anything else. If you pulled up and down my lips you could also see some red. I stopped taking af

Also forgot to mention I was put on this bc I am allergic to Sulfa and it is in a lot of bladder infection antibiotics they usually prescribe. Also, there was a chance I could be pregnant so this is why this one was chosen.

Does cephalexin cause weight gain?

Head is in pain 2 day takeing it :(

How long after being started on cephalexin can urticaria occur?

I am currently on Cephalexin for a kidney infection. I have so far suffered from joint pain, headaches, unusual vaginal pain and itching, dizziness and discovered a sore throat this morning. I plan to finish my dose but it seems like I'm suffering wo

I gained 9 pounds in three weeks and has upper abdominal pain.

I had bloody stools after taking cephalexing for like 3 days, i called my doctor and was told to stop taking it for a weekm I started taking cephalexing due to and ear bacteria , they will change treatment after a week , i stopped having bloody stool

I have been taking Cephalexin 500mg for a week due to car wreck elbow injury. Prescribed for possible infection. I am somewhat constipated, and have gained 11 pounds... Is this normal, and will the weight gain go away wh

Chantix caused me to haveseizures I would not recommend anyone to take this drug find a different way to quit smoking that is safe.

I HAD 1 SHOT OF THIS AND WITHIN 12 HOURS I WENT FROM A VERY NORMAL BLOOD PRESSURE TO WAKING AT 5 A.M. NEXT DAY WITH 198/110 AND 104 PULSE RATE. IT HAS CONTINUED ALL WEEK AFTER AND I'M NOW ON A BLOOD PRESSURE DRUG TO TRY AND CONTROL IT. EVEN WITH DR

can advagraf makke you look like you are pregnant? Can this drug affect your eye site--blurry vision

Does anyone else have insomnia problems, with this drug, was fine before taking it, but now having major trouble getting to sleep and staying asleep.

I have experienced panic attacks, light headedness and pasty mouth taking this drug at 400mg's.

Impact of this drug on blood pressure. Should I be worried?

My symptoms were tired, weak, unable to sleep. Was prescribed half of a 15 MG Mirtazapine nightly to help me sleep. Has this drug been successful used as a sleeping aid?

WHAT ARE SIDE EFFECT OF COTRIMOXAXOLE DRUG

<!--StartFragment--> I have advanced Rheumatoid Arthritis. My Left wrist swelled painfully. Had a negative X-ray so Dr (fully informed for current drug regimens and allergies--Aspirin, Penicillin, Thoradamides, Ornate, Iodine, Latex)

<b>Describe Your Levoxacin Experience Here:</b> My mother is taking the drug and has started shaking. Is this common?

DRUG INTERACTION Clinical Trials and Studies

Treatments might be new drugs or new combinations of drugs, new surgical procedures or devices, or new ways to use existing treatments. The goal of clinical trials is to determine if a new test or treatment works and is safe. Clinical trials can also look at other aspects of care, such as improving the quality of life for people with chronic illnesses. People participate in clinical trials for a variety of reasons. Healthy volunteers say they participate to help others and to contribute to moving science forward. Participants with an illness or disease also participate to help others, but also to possibly receive the newest treatment and to have the additional care and attention from the clinical trial staff.
Rank Status Study
1 Recruiting A Study of Cephalexin Capsules in Healthy Participants
Condition: Healthy Volunteers
Intervention: Drug: Cephalexin
Outcome Measures: Pharmacokinetics: Area Under the Concentration Versus Time Curve of Cephalexin From Time Zero to Infinity [AUC(0-∞)] of Cephalexin Following a Single Dose;   Pharmacokinetics: Maximum Concentration (Cmax) of Cephalexin;   Pharmacokinetics: Time to Reach Maximum Observed Concentration (Tmax) of Cephalexin Following a Single Dose Maximum
2 Recruiting A Study of Cephalexin in Healthy Participants
Condition: Healthy Volunteers
Intervention: Drug: Cephalexin
Outcome Measures: Pharmacokinetics: Area Under the Concentration Versus Time Curve From Time Zero to Infinity [AUC(0-∞)] of Cephalexin Following a Single Dose;   Pharmacokinetics: Time to Reach Maximum Observed Concentration (Tmax) of Cephalexin Following a Single Dose Maximum;   Pharmacokinetics: Maximum Concentration (Cmax) of Cephalexin
3 Recruiting A Study of Cephalexin Suspension in Healthy Participants
Condition: Healthy Volunteers
Intervention: Drug: Cephalexin
Outcome Measures: Pharmacokinetics: Area Under the Concentration Versus Time Curve From Time Zero to Infinity [AUC(0-∞)] of Cephalexin Following a Single Dose;   Pharmacokinetics: Maximum Concentration (Cmax) of Cephalexin;   Pharmacokinetics: Time to Reach Maximum Observed Concentration (Tmax) of Cephalexin Following a Single Dose Maximum
4 Not yet recruiting A Study of Cephalexin Liquid for Pediatrics in Healthy Adults Participants
Condition: Healthy Volunteers
Intervention: Drug: Cephalexin
Outcome Measures: Pharmacokinetics: Area Under the Concentration Versus Time Curve From Time Zero to Infinity [AUC(0-∞)] of Cephalexin Following a Single Dose;   Pharmacokinetics: Time to Reach Maximum Observed Concentration (Tmax) of Cephalexin Following a Single Dose Maximum;   Pharmacokinetics: Maximum Concentration (Cmax) of Cephalexin
5 Recruiting Comparison of Intravenous Cefazolin Plus Oral Probenecid With Oral Cephalexin for the Treatment of Cellulitis
Condition: Cellulitis
Interventions: Drug: IV cefazolin plus oral probenecid and placebo Cephalexin;   Drug: Oral Cephalexin and saline IV plus probenecid placebo
Outcome Measure: The proportion of patients failing therapy after 72 hours of antibiotic treatment with oral Cephalexin or intravenous cefazolin plus oral probenecid.
6 Recruiting The SCOUT Study: Short Course Therapy for Urinary Tract Infections in Children
Condition: Urinary Tract Infections
Interventions: Drug: Trimethoprim sulfamethoxazole, amoxicillin-clavulanate, cefixime, or Cephalexin;   Drug: Placebo
Outcome Measures: Occurrence of treatment failures between short-course and standard-course therapies;   Occurrence of recurrent infections;   Occurrence of colonization with antimicrobial resistant bacteria;   Occurrence of asymptomatic bacteriuria;   Occurrence of clinical symptoms;   Occurrence of positive urine cultures
7 Not yet recruiting Orthognathic Surgery and Postoperative Antibiotic Use
Condition: Dentofacial Deformity
Intervention: Drug: Cefazolin, Cephalexin, Clindamycin
Outcome Measures: Rate of infection;   Side effect from antibiotic use
8 Unknown  Prophylactic Use of Antibiotics for Through and Through Lacerations of the Lip
Condition: Through-and-through Lip Lacerations
Interventions: Drug: keflex;   Drug: placebo
Outcome Measures: infection;   scar formation
9 Recruiting Antibiotic Prophylaxis for Clean Intermittent Catheterisation
Condition: Urinary Tract Infection: [Site Not Specified] or [Recurrent]
Interventions: Drug: Nitrofurantoin or Trimethoprim or Cefalexin;   Other: No prophylaxis
Outcome Measure: Relative incidence of symptomatic antibiotic‐treated UTI
10 Recruiting The Role of Antibiotics in Full Thickness Skin Graft Survival for Facial Reconstructive Surgery
Condition: Facial Defect
Intervention: Drug: Cephalexin
Outcome Measures: Graft failure rate;   Percentage surface area of graft failure
11 Not yet recruiting Antibiotic Prophylaxis in Prosthetic Breast Reconstructions
Condition: Surgical Site Infections
Interventions: Drug: Prolonged antibiotic treatment;   Drug: Short antibiotic course (standard of care)
Outcome Measure: surgical site infection
12 Unknown  Examination of the Efficacy of Preventive Antibiotic Treatment During the Puerperium Among Pregnant Women With Recurrent Urinary Tract Infections
Condition: Pregnancy Complications
Interventions: Drug: Preventive antibiotic treatment- NITROFURANTOIN;   Drug: Preventive antibiotic treatment- Cephalexin;   Drug: PREVENTIVE TREATMENT- AMOXICILLIN;   Drug: PREVENTIVE TREATMENT- AMOXICILLIN AND CLAVULANATE POTASSIUM;   Drug: PREVENTIVE TREATMENT- CEFUROXIME;   Drug: PREVENTIVE TREATMENT SULFAMETHOXAZOLE AND TRIMETHOPRIM
Outcome Measure: Urinary tract complications
13 Recruiting Prevention of Arrhythmia Device Infection Trial (PADIT)
Condition: Arrhythmia
Interventions: Drug: Incremental;   Drug: Conventional
Outcome Measures: Hospitalization attributed to device infection;   1. Proven device infection not requiring surgical intervention (medically treated device infection).;   2. Any treatment with antibiotics for suspected device infection.;   3. Antibiotic-related adverse events including culture or antigen proven C. difficile infection.;   4. Prolongation of hospitalization due to proven or suspected adverse events from the antibiotic therapy.;   Cost benefit analysis;   6. Rate of device/lead extraction 12 months post patient's procedure (regardless of the cause).
14 Unknown  Comparing Healthcare Utilization Between Adenotonsillectomy Patients With and Without Postoperative Antibiotic Use
Conditions: Snoring;   Strep Throat
Interventions: Other: No postoperative antibiotic;   Drug: Amoxicillin;   Drug: Amoxicillin/clavulanate potassium;   Drug: Azithromycin;   Drug: Cefaclor;   Drug: Cephalexin;   Drug: Cefdinir;   Drug: Clindamycin
Outcome Measure: Healthcare Utilization
15 Recruiting Effects of Treatments on Atopic Dermatitis
Conditions: Dermatitis, Atopic;   Human Volunteers;   Eczema;   Atopic Dermatitis
Interventions: Drug: Trimethoprim/sulfamethoxazole;   Drug: Cephalexin;   Drug: Doxycycline;   Other: Sodium hypochlorite (bleach)
Outcome Measures: To characterize microbiome alterations in healthy adult volunteers (Cohorts 1 and 2) and pediatric patients with AD and associated active bacterial infection (Cohort 3) after treatment.;   To obtain samples from healthy adult volunteers to evaluate and refine genomic analysis of human microbes. To examine how different treatments may alter the human microbiome.
16 Not yet recruiting Antibiotics and Tissue Expanders in Breast Reconstruction
Condition: Complications; Breast Prosthesis, Infection or Inflammation
Intervention: Drug: antibiotic
Outcome Measures: Surgical site infection;   Surgical site infection requiring implant/expander removal
17 Unknown  Moxifloxacin Versus Ceftriaxone in the Treatment of Primary Pyogenic Liver Abscess
Condition: Liver Abscess
Interventions: Drug: Moxifloxacin (Avelox);   Drug: ceftriaxone (Rocephin/Cefin)
Outcome Measures: Treatment efficacy;   Clinical response;   Clinical and radiological response;   All cause mortality;   Mortality attributable to liver abscess during treatment;   Rates of complication (metastatic infections to the central nervous system and/or eyes);   Rates of gastrointestinal colonization of Klebsiella pneumoniae in patients and rates of resistance post-antibiotic use.
18 Not yet recruiting Prophylactic Antibiotic Treatment for Hand Lacerations Involving Flexor and/or Extensor Tendon
Conditions: Hand Laceration;   Tendon Involved;   Clean Laceration;   No Bone Involved
Intervention: Drug: Antibiotic-Cefamezin
Outcome Measure: rate of wound infections