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Increlex

Increlex Side Effects

Robert Chad Hakim, PharmD, BCCCPKristianne Hannemann, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Kristianne Hannemann, PharmD
Last reviewed on February 11, 2025

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • Low blood sugar (42%)
  • Swollen tonsils (15%)

At least 5% of children reported the following side effects during clinical studies:

  • Bruising where the medication is injected
  • Thickening of skin where the medication is injected
  • Headache
  • Dizziness
  • Uncontrolled muscle spasms
  • Vomiting
  • Joint pain
  • Pain in the arm or leg
  • Ear infection
  • Ear pain
  • Fluid buildup in the ear
  • Snoring

Less Common Side Effects

  • Thickening of skin around the face
  • Other reaction where the medication is injected (e.g., irritation, redness, pain, rash)

Increlex serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Dangerously low blood sugar: feeling faint, shaking, sweating, dizziness, fast heartbeat, nervousness, anxious, confused, irritable, feeling very hungry
  • Serious allergic reaction: hives, rash, itching, dizziness, shaking, flushing, nausea, trouble breathing, chest pain, swelling of the face or mouth
  • High pressure in the brain: changes in vision, headache, nausea, vomiting

Source: DailyMed

The following Increlex side effects have also been reported

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common

Anxiety

bluish skin color of the fingertips

blurred vision

breathlessness

chest pain

chills

cold sweats

coma

confusion

cool, pale skin

depression

dizziness

fast heartbeat

headache

increased hunger

loss of hearing

nausea

nervousness

nightmares

rapid growth of normal cells of the thymus (no symptoms)

seizures

shakiness

slurred speech

thickening of the skin

unusual tiredness or weakness

Incidence not known

Change in the ability to see colors, especially blue or yellow

cough

difficult or labored breathing

difficulty with swallowing

hives or welts, itching, or skin rash

itching or hives at the injection site

large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs

limp

pain in the hip or knee

puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue

redness of the skin

tightness in the chest

vomiting

Get emergency help immediately if any of the following symptoms of overdose occur:

Symptoms of overdose

Anxiety

arm or leg pain

backache

changes in vision

excessive sweating

extreme weakness

frequent urination

increase in hands and feet size

increased thirst

increased volume of pale, diluted urine

joint pain

stop in menstruation

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Abnormal response of the tympanic membrane to air pressure

difficulty with moving

difficulty with swallowing

ear pain

earache

large, flat, blue or purplish patches in the skin

muffled hearing

muscle pain or stiffness

redness or swelling in the ear

sense of fullness in the ear

snoring

sore throat

voice changing

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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