Rr

Rash – A change in the skin's appearance, often red, irritated, and sometimes itchy, caused by various conditions like allergies, infections, or irritants.
Rapid heartbeat (Tachycardia) – An abnormally fast heart rate, often a sign of stress, anxiety, or heart problems.
Restlessness – A feeling of being unable to relax or sit still, commonly caused by anxiety, ADHD, or medication side effects.
Respiratory distress – Difficulty breathing, which can be caused by asthma, pneumonia, or other lung conditions.
Ringing in the ears (Tinnitus) – A constant buzzing or ringing sound in the ears, often associated with hearing loss or ear infections.
Rheumatoid arthritis – An autoimmune condition causing joint pain, stiffness, and swelling, especially in the hands and feet.
Rebound congestion – Nasal congestion that worsens after using decongestant medications for an extended period.
Red eyes – Bloodshot or irritated eyes, often caused by allergies, dry eyes, or eye infections.
Retinal detachment – A serious eye condition where the retina pulls away from the back of the eye, causing vision problems or blindness if untreated.
Rashes with fever – Skin rashes accompanied by fever, often linked to viral infections like measles or chickenpox.
Resting tremor – A rhythmic shaking or tremor of a body part at rest, often seen in Parkinson's disease.

Rage – Intense feelings of anger, which can be uncontrollable and may lead to aggressive behavior.
Rumination – Repeatedly thinking about distressing thoughts or events, often leading to anxiety or depression.
Recklessness – Engaging in risky or dangerous behaviors without considering the consequences, often seen in conditions like ADHD or bipolar disorder.
Regret – A feeling of sadness or disappointment about past actions or decisions, which can sometimes be debilitating.
Restlessness (mental) – An inability to focus or calm down mentally, commonly seen in anxiety or hyperactive states.
Resistance to change – Difficulty adapting to new situations or ideas, often seen in personality disorders or in situations of stress or uncertainty.
Reduced self-esteem – A lack of confidence or feelings of worthlessness, which can lead to depression or anxiety.
Rejection sensitivity – An exaggerated fear of being rejected or criticized, which can lead to social anxiety or emotional distress.
Repetitive thoughts – Unwanted, intrusive thoughts that repeat themselves, often seen in obsessive-compulsive disorder (OCD).
Reality distortion – A mental state where a person's perception of reality is altered, often linked to psychosis or dissociation.