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Formulation : Delayed Release Tablet (Enteric Coated)
Drug Name Dosage Quantity Price Buy Now
Asacol HD 800mg 84 $124.00 Add To Cart
Asacol HD 800mg 168 $238.00 Add To Cart
Asacol HD
Dosage: 800mg
Quantity: 84
Price: $124.00
Asacol HD
Dosage: 800mg
Quantity: 168
Price: $238.00

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Formulation : Delayed Release Tablet (Enteric Coated)
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What Is Asacol HD Used For 

Asacol HD belongs to the class of 5-aminosalicylic acid derivatives; it is prescribed to reduce and treat ulcerative colitis UC symptoms such as diarrhea, rectal bleeding, and stomach pain. Ulcerative colitis is a long-term inflammatory bowel disease in the colon and rectum.  

Asacol HD contains mesalamine, which blocks cyclooxygenase and lipoxygenase activity to reduce prostaglandins production, which is responsible for the inflammation and pain being felt; the blocking action results in a decreased inflammation in the colon and rectum.  

Asacol HD Dosing 

Some medical conditions may affect how Asacol HD works; ensure to inform the healthcare professional assisting you about your medical history, particularly allergy to salicylates, skin problems, kidney disease, heart disease, liver disease, and phenylketonuria. The dose of Asacol HD is different for each patient depending on their medical condition, response to the treatment, and weight; to avoid drug interactions, inform your doctor if you are taking other medicines.  

Asacol HD 800 mg tablet is the only strength of this medication taken on an empty stomach at least one hour before or two hours after a meal. Asacol HD tablet should be swallowed whole, not cut, crushed, or chewed to prevent destroying its delayed release action, for it is designed to be released exactly on the colon. It is usually prescribed to be taken three times a day for six weeks; to help achieve the optimal results, it is recommended to be taken at a regular time daily. If a dose is forgotten, take it as soon as recalled, but if it’s nearly the time of the next intake schedule, skip the missed dose and proceed on the next scheduled intake; do not take two doses in one time. 

Asacol HD Side Effects 

Get medical help right away if you have signs of allergic reaction like hives, difficulty breathing, swelling, and severe dizziness. 

Contact your doctor immediately if any of the severe side effects listed below are experienced: 

  • Severe stomach pain, cramps, or bloody diarrhea 
  • Fever, headache, or general ill feeling 
  • Bloody stools, bloody coughs, or vomit that resembles coffee grounds 
  • Rash, itching, or eye redness 
  • Indication of a low blood count (fever, chills, mouth sores, skin sores, sore throat, cough, or trouble breathing) 
  • Sign of a kidney stone (severe pain in the side and back, frequent urination, or dark, foul odor urine) 
  • Symptoms of liver problems (loss of appetite, stomach pain, tiredness, easily bruised, dark urine, or yellowing of the skin or eyes) 
  • Signs of kidney problems (increased urination, thirst, or swelling)

Common side effects include rash, headache, back pain, cold symptoms, dizziness, nausea, vomiting, gas, diarrhea, stomach pain, constipation, burping, and abnormal liver function test. Inform your doctor or pharmacist if they persist or worsen; however, lists here are not the full side effects of Asacol HD. 

Lialda vs Asacol HD 

Both medicines belong to the class of aminosalicylates and contain mesalamine. They are prescribed in treating symptoms of ulcerative colitis and have similar side effects. These medicines may be alike, but they differ in the scope of work; Asacol HD is indicated for a treatment period of six weeks to help relieve active symptoms of ulcerative colitis. In contrast, Lialda has two functions: to treat active symptoms and prevent the symptoms from coming back.

Asacol HD is available in one strength of 800 mg taken three times a day on an empty stomach. Lialda is also available in one strength of 1.2 g taken once a day with food. Both medicines may be effective, but your doctor is the one who will assess which medication is suitable for your condition. 

Frequently Asked Questions 

-Can children take Asacol HD? 

The safety and effectiveness of this medication for people below 18 years old are not yet established. 

-Can mesalamine 400 mg substitute with Asacol HD 800 mg? 

No, do not interchange these two different doses, for they are not bioequivalent. 

-Where should I store Asacol HD? 

This medicine must be kept at room temperature, out from moist, direct heat, and reach of children and pets. 

-How fast does Asacol HD work? 

Improvements may be seen after 3 to 21 days but may still need to wait for six weeks to see full results. 

-Is it okay to take alcohol while on Asacol HD medication? 

Alcohol does not interact with this medicine, but it may worsen the side effects like headache, nausea, and diarrhea. 

How much is the price of this medication? 

You may check the pricing of this product by clicking here. 

Additional information

Brand Name:

Asacol HD

Scientific Name:


Other Names:

Asacol MR, Mesacol, Mesalamine DR



Quantities Available:

84, 90, 100, 150, 168, 200, 270, 300


Delayed Release Tablet (Enteric Coated)

The information above is provided by third parties to for Asacol HD (Mesalamine). This information is for general purposes only and is not intended to replace a physician's advice. Always consult with your doctor or a qualified health care professional if you need advice on any medical concerns.