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2,114 Possible Causes for Difficulty Concentrating, Weakness

  • Vitamin B12 Deficiency

    Memory Loss, Confusion, or Difficulty Concentrating Are you forgetful or confused, have trouble concentrating, or always feel like you're in a fog?[vitamins.lovetoknow.com] We report a case of a 66-year-old non-vegetarian man presenting with generalised weakness for 1 month and misdiagnosed on bone marrow biopsy as MDS.[ncbi.nlm.nih.gov] concentrating – pale or yellow skin (jaundice) – stomach upset and weight loss – changed sensation in the limbs (pins and needles, desensitization) – muscle weakness – mood[healthyandnaturalworld.com]

  • Hypothyroidism

    concentrating It is very important to keep in mind that the symptoms of hypothyroidism are non-specific and can be found with a number of other diseases.[columbiasurgery.org] Within a week, he developed intermittent weakness of his left hand followed by intermittent weakness of both legs.[neurology.org] Slowing of intellectual activity - eg, poor memory and difficulty concentrating. Constipation. Decreased appetite with weight gain. Deep hoarse voice.[patient.info]

  • Postural Orthostatic Tachycardia Syndrome

    Also, a person with POTS may suffer extreme fatigue, difficulty concentrating, migraines, anxiety, tremors, nausea, insomnia and fluctuation in body temperature.[luriechildrens.org] The most common symptoms of POTS include light-headedness or dizziness, palpitations, fainting, near-fainting, intermittent muscle weakness (commonly in the legs), and fatigue[digitalcommons.hsc.unt.edu] concentrating, weakness in the legs, unusual feelings of hot or cold, excessive sweating, blue or purple discoloration of the legs or feet and, perhaps as a result of all[nytimes.com]

  • Aplastic Anemia

    Symptoms of systemic mastocytosis include allergic skin reactions, difficulty concentrating and diarrhea.[ohsu.edu] Herein we report a patient with celiac disease who was not strictly following a gluten-free diet and presented with progressive pallor, fever, and weakness of 1 month's duration[ncbi.nlm.nih.gov] A 66-year-old male visited our hospital with anemia and general weakness.[ncbi.nlm.nih.gov]

  • Lyme Disease

    concentrating.[express.co.uk] The physical examination showed widespread weakness, atrophy, fasciculation, and brisk reflexes.[ncbi.nlm.nih.gov] concentrating Heart problems, such as inflammation of the heart muscle Inflammation of the membranes around the brain and spinal cord as with meningitis Alamy Not all people[thesun.co.uk]

  • Primary Myelofibrosis

    CASE REPORT A 51-year-old Korean man was admitted to our hospital with general weakness and left-side abdominal pain.[ncbi.nlm.nih.gov] Common MF symptoms and signs may include: Tiredness, weakness, or shortness of breath with mild exertion Fullness, discomfort or pain in the left upper area of the abdomen[mpnresearchfoundation.org] But as the normal cells are pushed out, primary myelofibrosis may manifest itself in the following ways: Anemia Fatigue Shortness of breath Weakness Lightheadedness Pale skin[patientworthy.com]

  • Insulinoma

    Symptoms that are seen in more serious cases of insulinoma may include: convulsions or seizures a rapid heart rate (greater than 95 beats per minute ) difficulty concentrating[healthline.com] Adrenergic symptoms resulting from the catecholaminergic response include weakness, anxiety, nausea, hunger, sweating, tremor, tachycardia, and palpitations.[symptoma.com] Headache (occasionally), double vision, difficulty in concentrating. Slurring of speech, confusion, change of behaviour, truculence. Stupor, coma.[patient.info]

  • Parathyroid Adenoma

    Symptoms may include any of the following: Confusion Constipation Lack of energy ( lethargy ) Muscle pain Nausea or decreased appetite Urinating more often at night Weak bones[nlm.nih.gov] Introduction Adenomas of the parathyroid gland typically present with symptoms of hyperparathyroidism, manifested by fatigue, bone pain, abdominal pain, weakness, dyspepsia[ncbi.nlm.nih.gov] The patient suffered from typical symptoms of hypercalcemia such as weakness, bone disease, and recurrent nephrolithiasis; she had a painless cervical mass for 5 months.[ncbi.nlm.nih.gov]

  • Arteriovenous Malformation

    […] or more parts of the head, may seem like a migraine Problems walking Seizures Symptoms due to pressure on one area of the brain include: Vision problems Dizziness Muscle weakness[nlm.nih.gov] Many people with an AVM experience few, if any, significant symptoms, which can include headache, weakness, seizures, pain, and problems with speech, vision, or movement.[ninds.nih.gov] They may also cause stroke-like symptoms such as paralysis, weakness, numbness, vision problems, balance or coordination problems, or speech difficulties.[ucdenver.edu]

  • Precursor-Cell Lymphoblastic Leukemia

    She developed VCR toxicity that included tubulopathy, high blood pressure, neuropathic pain, difficulty walking, diffuse muscular weakness, constipation, abdominal pain.[ncbi.nlm.nih.gov] A 19-year-old man presented with weakness, polydipsia, and polyuria for 1 month.[ncbi.nlm.nih.gov] Abstract Muscle weakness is one of the most serious problems during chemotherapy for childhood hematological malignancies.[ncbi.nlm.nih.gov]

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