Rowasa 4gm Kit (7 X 60ml)
Overview
What is this medicine?
How to Use This Medicine
To use this medication correctly, follow your doctor's instructions and read all the information provided. This medication is designed for rectal use only and should not be taken by mouth. You may be using both a tablet or capsule and a rectal product simultaneously.
Continue using this medication as directed by your doctor or healthcare provider, even if you start feeling well. It is recommended to use this medication at bedtime. Before using, make sure you understand the proper administration technique. If you have any questions, consult your doctor or pharmacist.
Administration Instructions
Shake the suspension well before use.
Retain the suspension in your rectum for as long as possible.
Note that the enema may darken slightly over time after opening the foil pouch. It can still be used if the color change is slight. However, do not use it if it turns dark brown. If you are unsure about the enema's usability, consult your doctor or pharmacist.
Storage and Disposal
Store the medication at room temperature.
Keep the rectal suspension in its foil packaging until ready to use. Do not refrigerate.
Protect the rectal suspension from heat.
Missed Dose
If you miss a dose, take it as soon as you remember.
If the next scheduled dose is near, skip the missed dose and resume your regular dosing schedule.
* Do not take two doses at the same time or extra doses.
Lifestyle & Tips
- Follow your doctor's instructions regarding diet and other lifestyle modifications for ulcerative colitis.
- Stay well-hydrated.
- Administer the enema at bedtime, if possible, and try to retain it for at least 8 hours for best results.
- Lie on your left side with your lower leg extended and your upper leg flexed forward for easier administration and retention.
Available Forms & Alternatives
Available Strengths:
Generic Alternatives:
Dosing & Administration
Adult Dosing
Condition-Specific Dosing:
Pediatric Dosing
Dose Adjustments
Renal Impairment:
Hepatic Impairment:
Pharmacology
Mechanism of Action
Pharmacokinetics
Absorption:
Distribution:
Elimination:
Pharmacodynamics
Safety & Warnings
Side Effects
Although rare, some people may experience severe and potentially life-threatening side effects while taking this medication. If you notice any of the following symptoms, contact your doctor immediately or seek emergency medical attention:
Signs of an allergic reaction, such as:
+ Rash or hives
+ Itching
+ Red, swollen, blistered, or peeling skin (with or without fever)
+ Wheezing
+ Tightness in the chest or throat
+ Difficulty breathing, swallowing, or talking
+ Unusual hoarseness
+ Swelling of the mouth, face, lips, tongue, or throat
Signs of kidney problems, including:
+ Inability to urinate
+ Changes in urine output
+ Blood in the urine
+ Sudden weight gain
+ Back pain, abdominal pain, or blood in the urine (may indicate a kidney stone)
Chest pain or pressure
Rapid or irregular heartbeat
Fever, chills, or sore throat
Unexplained bruising or bleeding
Feeling extremely tired or weak
Rectal bleeding or pain
Symptoms that may resemble ulcerative colitis, such as:
+ New or worsening stomach pain or cramps
+ Bloody stools
+ Fever
+ Headache
+ Itching
+ Rash
+ Red or pink eyes
+ General feeling of illness
Liver problems, which can be rare but potentially life-threatening, characterized by:
+ Dark urine
+ Fatigue
+ Decreased appetite
+ Nausea or stomach pain
+ Light-colored stools
+ Vomiting
+ Yellow skin or eyes
Heart problems, which can be rare but potentially life-threatening, characterized by:
+ Shortness of breath
+ Sudden weight gain
+ Swelling in the arms or legs
Severe skin reactions, including:
+ Stevens-Johnson syndrome (SJS)
+ Toxic epidermal necrolysis (TEN)
+ Other serious reactions, which can affect body organs and be life-threatening
+ Signs may include:
- Red, swollen, blistered, or peeling skin
- Red or irritated eyes
- Sores in the mouth, throat, nose, eyes, genitals, or skin
- Fever
- Chills
- Body aches
- Shortness of breath
- Swollen glands
Other Possible Side Effects
Like all medications, this drug can cause side effects. Many people may not experience any side effects or only minor ones. However, if you notice any of the following side effects or any other symptoms that concern you, contact your doctor:
Constipation
Diarrhea
Stomach pain
Nausea or vomiting
Heartburn
Gas
Burping
Nose or throat irritation
Dizziness or headache
Back pain
Cough
Rectal irritation
This is not an exhaustive list of possible side effects. If you have questions or concerns about side effects, consult your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
Seek Immediate Medical Attention If You Experience:
- Worsening abdominal pain or rectal bleeding
- Severe headache
- Fever, chills, or sore throat (signs of infection or blood problems)
- Unexplained bruising or bleeding
- Yellowing of skin or eyes (jaundice), dark urine, or unusual fatigue (signs of liver problems)
- Swelling in ankles or feet, decreased urine output (signs of kidney problems)
- New or worsening rash
- Chest pain or shortness of breath (rare, but possible cardiac hypersensitivity reaction)
Before Using This Medicine
It is essential to inform your doctor about the following:
Any allergies you have, including allergies to this medication, its components, or other substances, such as foods or drugs. Be sure to describe the symptoms you experienced.
Existing health conditions, including:
+ Kidney disease or liver disease
+ Stomach or bowel ulcers
+ Narrowing of your stomach valve or other types of stomach blockages
+ Blockages in your urinary tract (consult with your healthcare provider)
Other medications you are taking, including:
+ Prescription and over-the-counter (OTC) drugs
+ Natural products
+ Vitamins
Any health problems you have, as this is not an exhaustive list of potential interactions with this medication.
To ensure your safety, it is crucial to verify that it is safe to take this medication with all your other medications and health conditions. Never start, stop, or change the dose of any medication without first consulting your doctor.
Precautions & Cautions
Inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are taking this medication. This will help ensure you receive proper care and avoid any potential interactions.
Monitoring Your Health
Follow your doctor's instructions for regular blood tests to monitor your health while taking this medication. Discuss any concerns or questions you have with your doctor.
Lab Tests and Results
Be aware that this medication may affect the results of certain lab tests. Inform all your healthcare providers and lab personnel that you are taking this medication to ensure accurate test results.
Staying Hydrated
Drink plenty of non-caffeinated fluids, unless your doctor advises you to limit your fluid intake.
Sulfite Allergy
If you have a sulfite allergy, consult your doctor before taking this medication, as some products may contain sulfites.
Urine Color Change
While taking this medication, your urine may turn reddish-brown when it comes into contact with surfaces or water that have been treated with bleach (e.g., toilet water). If you notice this color change, observe your urine flow. Only contact your doctor if your urine is reddish-brown before it comes into contact with any surfaces or water that may have been treated with bleach.
Sun Protection
You may be more susceptible to sunburn while taking this medication. Avoid exposure to sunlight, sunlamps, and tanning beds. Use sunscreen and wear protective clothing and eyewear to minimize your risk of sunburn.
Special Considerations for Older Adults
If you are 65 or older, use this medication with caution, as you may be more prone to side effects.
Use in Children
Not all products are suitable for use in children. Consult your doctor before giving this medication to a child. Do not give this medication to children or teenagers who have or are recovering from flu symptoms, chickenpox, or other viral infections, as it may increase the risk of Reye's syndrome, a rare but serious condition that can cause brain and liver damage.
Staining and Discoloration
This medication may stain fabric, flooring, painted surfaces, marble, granite, vinyl, and enamel.
Pregnancy and Breastfeeding
If you are pregnant, plan to become pregnant, or are breastfeeding, inform your doctor. You will need to discuss the potential benefits and risks of taking this medication to you and your baby.
Overdose Information
Overdose Symptoms:
- Nausea
- Vomiting
- Abdominal pain
- Headache
- Drowsiness
- Vertigo
What to Do:
Overdose with rectal mesalamine is unlikely due to limited systemic absorption. If suspected, seek immediate medical attention or call a poison control center (e.g., 1-800-222-1222). Management is supportive and symptomatic.
Drug Interactions
Major Interactions
- Azathioprine
- Mercaptopurine
Moderate Interactions
- NSAIDs (e.g., ibuprofen, naproxen)
- Nephrotoxic agents (e.g., aminoglycosides, cyclosporine)
Monitoring
Baseline Monitoring
Rationale: To establish baseline and identify pre-existing renal impairment, as mesalamine can cause renal toxicity.
Timing: Prior to initiation of therapy.
Rationale: To establish baseline and identify pre-existing hepatic impairment, as mesalamine can cause hepatotoxicity.
Timing: Prior to initiation of therapy.
Rationale: To establish baseline and monitor for blood dyscrasias (e.g., agranulocytosis, aplastic anemia) which are rare but serious adverse effects.
Timing: Prior to initiation of therapy.
Routine Monitoring
Frequency: Periodically during therapy (e.g., annually or as clinically indicated), especially in patients with pre-existing renal disease or those on concomitant nephrotoxic drugs.
Target: Within normal limits or stable from baseline.
Action Threshold: Significant increase in BUN/creatinine; discontinue mesalamine and investigate.
Frequency: Periodically during therapy (e.g., annually or as clinically indicated).
Target: Within normal limits or stable from baseline.
Action Threshold: Significant elevation (e.g., >3x ULN); discontinue mesalamine and investigate.
Frequency: Periodically during therapy (e.g., annually or as clinically indicated), especially if symptoms of blood dyscrasias develop.
Target: Within normal limits.
Action Threshold: Significant decrease in WBC, platelets, or hemoglobin; discontinue mesalamine and investigate.
Symptom Monitoring
- Rectal bleeding
- Abdominal pain
- Diarrhea
- Fever
- Rash
- Headache
- Nausea/vomiting
- Signs of worsening ulcerative colitis
- Signs of renal impairment (e.g., decreased urine output, edema)
- Signs of hepatic impairment (e.g., jaundice, dark urine, fatigue)
- Signs of blood dyscrasias (e.g., unusual bruising/bleeding, persistent sore throat, fever)
Special Patient Groups
Pregnancy
Mesalamine is generally considered safe for use during pregnancy (Pregnancy Category B). Studies in pregnant women have not shown an increased risk of birth defects or other adverse outcomes. Rectal administration results in minimal systemic absorption, further reducing potential fetal exposure.
Trimester-Specific Risks:
Lactation
Mesalamine and its metabolite are excreted in breast milk in small amounts. The amount transferred to the infant is generally considered low and unlikely to cause adverse effects. Monitor breastfed infants for diarrhea.
Pediatric Use
Safety and efficacy of Rowasa enema have not been established in pediatric patients. Use in children is off-label and should be done under the guidance of a specialist, with careful consideration of dose and monitoring.
Geriatric Use
Use with caution in elderly patients, as they may have age-related decreases in renal function. Monitor renal function closely. No specific dose adjustment is typically required unless renal impairment is present.
Clinical Information
Clinical Pearls
- Rowasa enema is designed for local action in the rectum and distal colon; systemic absorption is minimal.
- For best results, administer at bedtime and try to retain the enema for at least 8 hours.
- Patients should be instructed on proper administration technique to ensure maximum retention and efficacy.
- Mesalamine can rarely cause acute intolerance syndrome, which may mimic a flare of inflammatory bowel disease (e.g., cramping, acute abdominal pain, bloody diarrhea, fever, headache, rash). If this occurs, discontinue therapy immediately.
- Rare cases of renal impairment, including minimal change nephropathy and interstitial nephritis, have been reported with mesalamine. Regular monitoring of renal function is important.
Alternative Therapies
- Other mesalamine formulations (oral tablets/capsules, suppositories, foam enemas)
- Corticosteroids (e.g., hydrocortisone rectal foam/enema, oral prednisone)
- Immunomodulators (e.g., azathioprine, mercaptopurine)
- Biologic agents (e.g., infliximab, adalimumab, vedolizumab)
- Janus kinase (JAK) inhibitors (e.g., tofacitinib)
- Surgery (colectomy) for refractory cases