LDH is called lactate dehydrogenase. It is an enzyme that plays an important role in the production of energy in the body. It is present mostly in all the tissues of the body, including blood, kidney, heart, lungs, and brain. It is released in the blood when the tissue gets damaged due to injury or disease. LDH test is usually done in cases of anemia, liver disease, lung disease, and some form of infection. The normal LDH ranges from 140 U/L to 280 U/L.

Recently Answered Questions Recently Answered Questions

All the answers published in this website are written by verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

What causes an iron deficiency or over absorption?

Query: Hi doctor,My TIBC 508, transferrin 363, transferrin saturation 17%, iron 85, and total LDH 109. Do these values indicate iron deficiency or over-absorption? I am on regular Synthyroid, Singulair, Prilosec, vitamin C, and oral contraceptives. Thank you.  Read Full »

Dr. Prakash H. M

Answer: Hi, Welcome to icliniq.com. Based on your query and attached reports (attachment removed to protect patient identity), my opinion is as follows: It appears to be an early iron deficiency. Serum ferritin would have been more helpful in gauging the iron stores. Interaction between vitamin C and or...  Read Full »

How to cure the muscle weakness and pain in the left forearm and hip?

Query: Hello doctor, I am a 41 year old male. My creatine phosphokinase is mildly elevated. The reports came as 220 twice and as normal thrice. And, there was hemoglobin in my urine test. I constantly have muscle weakness and mild pain on my left side, at the forearm and hip. The weakness started suddenly ...  Read Full »

Dr. Ashaq Hussain Parrey

Answer: Hello, Welcome to icliniq.com. I read your query and understand your concerns about muscle weakness and raised muscle enzymes. The probable diagnosis is polymyositis. People with polymyositis have: 1) A weakness of muscles of the thigh, gluteal muscles, and shoulder girdle. 2) Raised CPK (creat...  Read Full »

Does dark-colored urine occur due to a side effect of asthma medication?

Query: Hi doctor, I am a 29 years old female, who weighs 63 kg and I am 5.4 feet tall. Since a year, I have been suffering from very strange symptoms like dark yellow urine (very deep yellow and sometimes turbid and cloudy in appearance), yellowish eyes, very sour taste in the¬†mouth throughout the day, in...  Read Full »

Dr. Goswami Parth Rajendragiri

Answer: Hi, Welcome to icliniq.com. I have carefully gone through your reports (attachment removed to protect patient identity), your case seems to be complicated. In the case of yellow urine and yellow sclera with weakness, first, we should rule out hemolytic anemia and jaundice. Jaundice can be from h...  Read Full »

Post COVID, I have increased LDH. Is this an indication of a major problem?

Query: Hello doctor, Post COVID, my lab test result for LDH (Lactate dehydrogenase) is 277 units/L, greater than the normal value of 135-225 units/L. Is there any problem? I am currently taking Novastat 10 mg for increased cholesterol. Thank you.  Read Full »

Dr. Prathish Kumar

Answer: Hello, Welcome to icliniq.com. I have gone through all your reports and they are good; nothing to worry about. These are observed post COVID infection. Isolated elevation of LDH (Lactate dehydrogenase) need not be taken into account; also, it is only a meager elevation with respect to the referen...  Read Full »

I got a shave biopsy for melanoma in situ. Did the cancer cells get into my bloodstream?

Query: Hello doctor, I have a question about the biopsy that I had done. It was a shave biopsy, and it came back as melanoma in situ. I got a wide excision done, and it looks like there is still some of this mole left that was missed by the shave. If there was still melanoma cells in this left over part of...  Read Full »

Dr. Suvash Sahu

Answer: Hi, Welcome to icliniq.com. I have read your query and concern. Melanoma is a malignancy of pigment-producing cells (melanocytes), located predominantly in the skin. The careful examination of lymph nodes can be determined by the staging of melanoma and the metastasis, that is, spread to oth...  Read Full »

Does decreasing lymphocyte count indicate lymphoma?

Query: Hi doctor, I have a rising LDH level which went to 227 U/L and three months later to 269 U/L. In the last two CBC tests, lymphocytes dropped to 0.8 per mcL. I am concerned if it could be lymphoma. I had prostate cancer 15 years ago and a nodule in my lung. Two years before, I had a total PET/CT wit...  Read Full »

Dr. Mubashir Razzaq Khan

Answer: Hi, Welcome to icliniq.com. Your LDH (lactic acid dehydrogenase) level is not clinically significant. You have absolute lymphopenia and relative neutrophilia. It might be related to chronic inflammation or prolonged infection. Multiple micronutrient deficiencies could be present. Please take CRP (...  Read Full »

Can statins cause anxiety and fatigue?

Query: Hello doctor,I have health anxiety and recently have been feeling fatigued and joint pain. Four months ago, I started on Crestor (Rosuvastatin) and doubled recently to 20 mg. My total protein 6.9 g/dL albumin 4.4 g/dL. My recent symptoms brought me to have a repeat CBC (complete blood count) and CRP...  Read Full »

Dr. Mubashir Razzaq Khan

Answer: Hello, Welcome to icliniq.com. The word ‘cancer’ means an uncontrollable proliferation of some types of cells. It is a whole package comprising of anemia, leukopenia or leukocytosis, high ESR (erythrocyte sedimentation rate), thrombocytopenia, unexplained fever, weight loss, arthralgia...  Read Full »

What is the cause for my anemia and prolonged bleeding?

Query: Hello doctor, I have weakness and bleeding for the last 15 days. I have small rashes on the body, weight loss, low energy level, and WBC parameters not normal. Patient has a history of having low hemoglobin ever three years. He has to take blood and hemoglobin parameters keep changing sometimes i...  Read Full »

Dr. Goswami Parth Rajendragiri

Answer: Hello, Welcome to icliniq.com. I have read your question and below is my opinion about your asked question. In your attached report (attachment removed to protect patient identity), hemoglobin level is low, and red blood cell count also low. So you are having anemia problem and your weakness like ...  Read Full »

What could a strange deep line on the right side of my head be?

Query: Hello doctor, For the last three months, I have noticed a strange deep line on the right side of my head just above my temple to the upper side of my head. I have no pain at all but it bothers me so much. I have also seen my GP and he recommended to see a neurologist but I am not able to afford...  Read Full »

Dr. Aida Abaz Quka

Answer: Hello, Welcome to icliniq.com. I carefully saw your uploaded photo (attachment removed to protect patient identity) and would explain that this indentation could be related to differential possible causes like calcium or vitamin D deficiency and bone reformation, chronic inflammation, or a ho...  Read Full »

ask-doctor-img Ask a Doctor Online

* Your first query consult is free!

Search for a Health Issue

Disclaimer: No content published on this website is intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek advice from your physician or other qualified healthcare providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website. Read our Editorial Process to know how we create content for health articles and queries.