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can occur vs may occur

Both 'can occur' and 'may occur' are correct and commonly used phrases in English. They are interchangeable in most contexts, but 'may occur' can sometimes imply a higher level of possibility or permission compared to 'can occur.'

Last updated: March 26, 2024 • 762 views

can occur

This phrase is correct and commonly used in English.

The phrase 'can occur' is used to indicate that something is possible or able to happen.

Examples:

  • Accidents can occur at any time.
  • Errors can occur during the data transfer process.
  • Problems can occur if the software is not updated regularly.
  • Confusion can occur when instructions are unclear.
  • Delays can occur due to unforeseen circumstances.
  • Hypertensive crisis with encephalopathy-like symptoms can occur.
  • Both generalised and localised infections can occur.
  • Sometimes a paradoxical increase of (total and LDL) cholesterol can occur in patients with hypertriglyceridaemia.
  • In dialysis patients with malignant hypertension and hypovolaemia, a marked decrease in blood pressure can occur.
  • However, relapse following seroconversion can occur.
  • Increases in heart rate can occur, particularly with higher doses.
  • Slipped capital femoral epiphysis and progression of scoliosis can occur in patients who experience rapid growth.
  • Slipped capital femoral epiphysis and progression of scoliosis can occur in patients who experience rapid growth.
  • They can occur in the very rare cases of IgA deficiency with anti-IgA antibodies.
  • At higher doses, moderate changes in aPTT can occur.
  • Hypersensitivity (allergic) reactions can occur.
  • Furthermore, patients and caregivers should be aware of the fact that behavioural changes can occur.
  • Patients should be informed that (mostly visual) hallucinations can occur.
  • This may be a sign of bowel inflammation which can occur following treatment with antibiotics.
  • At high doses and after prolonged utilization, brain function impairment can occur.
  • Perioperative acute hypertension can occur if volatile halogenated anaesthetics are used during treatment with indirect sympathomimetic agents.
  • A temporary swelling at the injection site can occur but resolves without intervention.
  • Additionally, hypokalaemia can occur and potassium replacement should be considered.
  • This can occur more often if you suffer from disorders of your facial nerves.
  • Thus, it appears that the conversion of fosaprepitant to aprepitant can occur in multiple tissues.

Alternatives:

  • might occur
  • could occur
  • is able to occur
  • is possible to occur
  • is likely to occur

may occur

This phrase is correct and commonly used in English.

The phrase 'may occur' is used to indicate that something is possible or permitted to happen.

Examples:

  • Rain may occur later in the day.
  • Technical issues may occur during the live broadcast.
  • Changes in the schedule may occur without prior notice.
  • Errors in the calculations may occur if the formula is not applied correctly.
  • Security breaches may occur if proper precautions are not taken.
  • Refraction anomalies may occur upon initiation of insulin therapy.
  • During administration of micafungin, anaphylactoid reactions including shock may occur.
  • Oedema may occur upon initiation of insulin therapy.
  • Changes of body fat may occur in patients receiving combination antiretroviral therapy.
  • Mydriasis may occur in association with venlafaxine.
  • Transient hyperthermia may occur post the second dose.
  • Cross resistance may occur with other macrolides.
  • Pseudomembranous colitis may occur with most antibiotics including Tygacil.
  • - Allergy-like reactions may occur after use of Gadograf.
  • This may occur due to you suddenly stopping lamivudine.
  • AZARGA is absorbed systemically and therefore this may occur with topical administration.
  • Serious allergic reactions may occur following the administration of proteins.
  • These side effects may occur when using Zenapax.
  • Temodal monotherapy in recurrent or progressive glioma The following side effects may occur, and may require medical attention.
  • The following side effects may occur, and may require medical attention.
  • As with any exogenous protein administration, local or systemic allergic reactions may occur.
  • As with any insulin therapy, lipodystrophy may occur at the injection site and delay local insulin absorption.
  • Therefore, sensitisation reactions may occur.
  • If you take less Humalog than you need, a high blood sugar may occur.
  • In combination with anaesthesia and tumour resection further side effects may occur:

Alternatives:

  • could occur
  • might occur
  • is permitted to occur
  • is possible to occur
  • is likely to occur

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