Medication info
Sense Guard Tablet

Sense Guard Tablet

OTC medicationTablet경구
Ingredient · strength
Levonorgestrel›0.1mg / 1 tabletEthinyl Estradiol›0.02mg / 1 tablet
Manufacturer / importer
태극제약(주)
Appearance
Pink round film-coated tablet
Packaging
21 tablets/pack
Approval status
Active

MFDS item code 202105666 · Notified 2021.08.02

Summary

Main use
Contraception and treatment of moderate acne
Who takes it
Adults
Adult dose
Take one tablet daily for 21 days and then take a break for 7 days. It is best to take it at the same time every day. Start taking this medication on the first day of menstruation and take it daily for 21 days, followed by a 7-day break. After the 7-day break, resume taking the next day. If a tablet is missed, take it immediately when remembered and continue taking as usual. During the 1st or 2nd week of this medication.

Ingredients

Manufacturer
태극제약(주)

Efficacy & effects

Contraception and treatment of moderate acne

  • Moderate acne
View approved original text

This medication is used to prevent unwanted pregnancy through its contraceptive effect. It is also effective in treating moderate acne and helps improve skin condition.

How to take

Adult dose

Take one tablet daily for 21 days and then take a break for 7 days. It is best to take it at the same time every day. Start taking this medication on the first day of menstruation and take it daily for 21 days, followed by a 7-day break. After the 7-day break, resume taking the next day. If a tablet is missed, take it immediately when remembered and continue taking as usual. During the 1st or 2nd week of this medication.

Precautions

This medication can significantly increase the risk of cardiovascular side effects in women who smoke, so women over 35 years of age should avoid smoking, and women over 35 who smoke should not take this medication. This medication should not be administered to patients with certain diseases or conditions such as estrogen-dependent tumors, thrombosis, cardiovascular diseases, liver diseases, and pregnant women. Caution is advised when prescribing this medication to smokers, patients with hypertension, obese individuals, and migraine sufferers, and it is important to consult a doctor before use. Various side effects may occur, including thrombosis, stroke, liver tumors, menstrual disorders, breast pain, digestive disturbances, headaches, depression, skin rashes, visual and auditory disturbances; therefore, if unusual symptoms arise, immediate consultation with a healthcare professional is necessary. Regular monitoring of blood pressure, breast, and pelvic examinations during use is recommended, and additional tests are suggested in cases with a family history of thrombosis. This medication may interact with other drugs, and its contraceptive effectiveness may decrease when used with certain medications; hence, it is essential to inform about other medications being used. Women who are pregnant or may become pregnant should not take this medication, and it is also recommended not to administer this medication during breastfeeding. In case of overdose, symptoms such as nausea, vomiting, abdominal pain, and drowsiness may occur, and since there is no specific antidote, treatment should be provided based on symptoms. This medication can affect endocrine and liver function test results, so it is important to inform about its use during testing. Keep out of reach of children and store in the original container to prevent degradation or misuse.

Side effects and when to seek care immediately

Serious side effects

Venous thromboembolism, thrombosis, arterial thromboembolism, stroke, intracerebral hemorrhage, cerebral thrombosis, myocardial infarction, pulmonary embolism, increased blood pressure, worsening of varicose veins, hemolytic-uremic syndrome, cholestatic jaundice, malignant and benign liver tumors (risk of internal bleeding), pancreatitis, hepatocellular damage (hepatitis, impaired liver function), anaphylaxis/anaphylactoid reactions (including urticaria, angioedema, respiratory and circulatory symptoms), severe allergic reactions.

Mild side effects

  • Intermenstrual bleeding
  • changes in menstrual flow
  • amenorrhea
  • changes in vaginal discharge
  • increase in uterine fibroid size
  • cervical erosion
  • vaginal candidiasis
  • vaginitis
  • premenstrual syndrome
  • dysmenorrhea
Show 21 more
  • breast tension and enlargement
  • breast pain
  • benign breast lesions
  • breast tenderness
  • breast discharge
  • nausea
  • vomiting
  • abdominal bloating
  • abdominal cramps
  • gastrointestinal disturbances
  • diarrhea
  • headaches
  • migraines
  • depression
  • dizziness
  • irritability
  • worsening of chorea
  • seizures
  • reduced sensory ability
  • fatigue
  • mood disorders.

Not everyone experiences these, and they can vary from person to person.

Interactions

Drug interactions

This medication may interact with direct-acting antiviral agents for hepatitis C, barbiturates, anticonvulsants (carbamazepine, phenytoin, primidone), rifabutin, rifampicin, ampicillin, tetracycline, griseofulvin, loperamide, aprepitant, bosentan, efavirenz, felbamate, oxcarbazepine, medicinal charcoal, laxatives, beta-blockers (such as metoprolol), benzodiazepines, cyclosporine, ritonavir.

Storage

This medication is sensitive to light and should be stored in a container that blocks light. It is also important to keep the medication at room temperature between 1 to 30 degrees Celsius to maintain its efficacy.

Appearance and packaging

Appearance

Pink round film-coated tablet

Package unit

21 tablets/pack

Same-ingredient medicines

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.

Questions about this medicine

  • QWhat if my period doesn’t come during the drug-free period?

    It is mentioned that menstruation usually occurs within 3 days after stopping the medication. If there is no menstruation during the break and there are concerns about pregnancy, consult a doctor or pharmacist before starting the next pack.

    Answers 1 · 2026.09.14

  • QDo I really need to take it at the same time every day?

    The instructions state it is better to take the medication at the same time every day. Follow a regimen of taking one tablet daily for 21 days, followed by 7 days of a break, and consider using alarms to keep a regular schedule.

    Answers 1 · 2026.09.14

For anything that needs medical judgment, consult a doctor or pharmacist.

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This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.